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Summary

Mizusawa Nachi, a young man captivated by the beauty and kindness of a woman named Amagi Rina, experiences his first love. Despite their slight age difference, Nachi and Rina share a close bond akin to siblings, enjoying their days together. However, their relationship takes a turn during a shared bath when Nachi can no longer resist his desires and confesses his love to Rina, embracing her. Following the confession, their relationship evolves into a forbidden affair, filled with secret rendezvous after school, concealed from their parents. They promise to keep their relationship a secret. Their love deepens, and Nachi envisions marrying Rina in the future. However, their lives are disrupted by a deadly global virus outbreak, causing Rina's father's company, Tenjou Foods, to face financial troubles. As a result, Rina is forced to move to Tokyo. Before leaving, Rina reveals her desire to have a child with Nachi, hoping it would allow them to stay together. They consummate their love, but the next day, Rina disappears without a word, leaving Nachi heartbroken. Time passes, and Nachi successfully gains admission to Tokyo's prestigious university, seeking to find his lost love. [Translated from Getchu]

Fudeoroshi Mama ~Afureru Hakudaku & Milk~
Fudeoroshi Mama ~Afureru Hakudaku & Milk~
NAN%
Tags
  • Obacon
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Older Heroines
  • Widow Heroine
Rating 5.7522 Users
Inaka no Muchi na Muchimuchi Musume
Inaka no Muchi na Muchimuchi Musume
NAN%
Tags
  • Oppai Loli Heroine
  • Only Younger Heroines
  • Heroine with Inverted Nipples
  • Heroine with Tan Lines
  • Countryside
Rating 6.6229 Users
Yome no Imouto to H na Kankei ni Natte Yabai!?
Yome no Imouto to H na Kankei ni Natte Yabai!?
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Salaryman Protagonist
  • In-law Incest
  • Used Condoms Exposition
  • Stock Graphics
Rating 6.9847 Users
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
Kanojo ga Myuu Datta Baai ~Oshiego Vampire no Ama Toro Reizoku Choukyou~
NAN%
Tags
  • Protagonist as the Only Male
  • Erotic Mind Control
  • Full Chastity Belt
  • Shoejob
  • Kneepit Sex
Rating 6.6822 Users
Little Sick Girls ~Osananajimi no Koibito~
Little Sick Girls ~Osananajimi no Koibito~
NAN%
Tags
  • Chuunibyou Protagonist
  • Illness
  • Class President Heroine
  • Sounds of Copulation
  • Wake-up Sex
Rating 6.4029 Users
Sakuseishi no Oneesan ~Josei Dake no Machi de Seieki Dorei ni Sarechatta Boku~
Sakuseishi no Oneesan ~Josei Dake no Machi de Seieki Dorei ni Sarechatta Boku~
NAN%
Tags
  • Single Legjob
  • Shoejob
  • Bunnygirl Cosplay
  • Onahole
  • Pissing on Others
Rating 6.9664 Users
Mama x Kano ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume no Sewa o Yaitara Dame Desu ka?~
Mama x Kano ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume no Sewa o Yaitara Dame Desu ka?~
NAN%
Tags
  • Teacher Protagonist
  • Divorcee Heroine
  • Widow Heroine
  • Twin Footjob
  • Heroine's Mother as a Heroine
Rating 7.4582 Users
Tomodachi no Haha ~Jukujuku Taru Omoi~
Tomodachi no Haha ~Jukujuku Taru Omoi~
NAN%
Tags
  • Netori
  • Armpit Licking
  • Nursing Handjob
  • Only Older Heroines
  • Discreet Phone Sex
Rating 7.0556 Users
Shuukatsu!
Shuukatsu!
NAN%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Mama-Haha 2
Mama-Haha 2
NAN%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Swimming Club
  • Breast Smothering
Rating 7.7092 Users
Little Sick Girls ~Momo Mitsu wa Imouto no Kaori~
Little Sick Girls ~Momo Mitsu wa Imouto no Kaori~
NAN%
Tags
  • Chuunibyou Protagonist
  • Only Younger Heroines
  • Exhibitionism
  • Romance
  • Heroine with Big Breasts
Rating 6.3526 Users
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
NAN%
Tags
  • Heroine with Gigantic Breasts
  • Onsen
  • Only Adult Heroines
  • Lactation During Sex
  • Soapy Massage
Rating 6.8327 Users
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
NAN%
Tags
  • Programmer Heroine
  • Nurse Protagonist
  • Half-Japanese Heroine
  • Prostitute Protagonist
  • Twin Footjob
Rating 6.9435 Users
Hahamusu Gaiden ~Suishou no Joou Delfina~
Hahamusu Gaiden ~Suishou no Joou Delfina~
NAN%
Tags
  • Dancer Heroine
  • Elf Protagonist
  • Queen Heroine
  • Defloration During Common Route
  • Armpit Licking
Rating 7.6334 Users
Hitozuma Heaven ~Takuran Ureta Shikyuu ni Kodane o Sosogu~
Hitozuma Heaven ~Takuran Ureta Shikyuu ni Kodane o Sosogu~
NAN%
Tags
  • Unavoidable Heroine Rape by the Protagonist
  • Heroine in Relationship with Other(s)
  • Heroine with Children
  • Heroine with Baby Complex
  • Only Non-Virgin Heroines
Rating 6.9459 Users
Toaru Ouhi no Neyagoto ~Teishuku na Tsuma wa Ikani Shite Haranda ka~
Toaru Ouhi no Neyagoto ~Teishuku na Tsuma wa Ikani Shite Haranda ka~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Only Older Heroines
  • Queen Heroine
  • Central Heroine
  • Brief Third-person Narrative Sections
Rating 7.2658 Users
God Sisters
God Sisters
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Non-blood-related Sister as a Heroine
  • Background Moans
  • Ejaculation Forewarner
  • Heroine with a Fang
Rating 6.6936 Users
Moto Yan Kyonyuu Nurse no Ama Ero Kango
Moto Yan Kyonyuu Nurse no Ama Ero Kango
NAN%
Tags
  • Shotacon Heroine
  • Mother/Son Romance
  • Nursing Handjob
  • Pregnancy Good Ending
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.9847 Users
Mama-Haha
Mama-Haha
NAN%
Tags
  • Visible Cervix Penetration
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Dirty Talk
  • Beach
Rating 7.23112 Users
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
NAN%
Tags
  • Heroine with Jeans
  • Food Play
  • Ejaculation Forewarner
  • Heroine with Inverted Nipples
  • Mirror Sex
Rating 6.5927 Users
Yamitsuki Yandere Harem!
Yamitsuki Yandere Harem!
NAN%
Tags
  • Yandere Heroine
  • Heroine with Huge Breasts
  • Hair Pulling (Sexual)
  • Only Virgin Heroines
  • Nursing Handjob
Rating 6.5238 Users
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
NAN%
Tags
  • Protagonist with Superpowered Side
  • Invisibility
  • High Amount of Special Effects
  • Defloration During Common Route
  • Shapeshifting
Rating 6.4823 Users
Bakunyuu Hitozuma Maid ~Iyasare Mama Haramase no Yakata~
Bakunyuu Hitozuma Maid ~Iyasare Mama Haramase no Yakata~
NAN%
Tags
  • Heroine with Gigantic Breasts
  • Non-blood-related Mother/Son Incest
  • Anal Liquid Expulsion
  • Vaginal + Anal Penetration
  • Pubic Hair Option
Rating 7.2939 Users
Tsukiakari ni Modaeru Harame
Tsukiakari ni Modaeru Harame
NAN%
Tags
  • Painter Protagonist
  • Painter Heroine
  • Traditionalist Family
  • Poor Heroine
  • Protagonist's Ex as a Heroine
Rating 7.2645 Users
Mama Sis ~Okaa-san to Watashi, Docchi ga Ii no?~
Mama Sis ~Okaa-san to Watashi, Docchi ga Ii no?~
43%
Tags
  • Romancing a Family
  • Protagonist as the Only Male
  • Heroine's Mother as a Heroine
  • Deredere Heroine
  • Oyakodon
Rating 7.7855 Users
Hahamusu ~Ochibure Kizoku no Haha to Musume~
Hahamusu ~Ochibure Kizoku no Haha to Musume~
42%
Tags
  • Visible Cervix Penetration
  • Queen Heroine
  • Armpit Licking
  • Heroine with Inverted Nipples
  • Nursing Handjob
Rating 7.6654 Users
Hahamusu Gaiden ~Suishou no Joou Delfina~
Hahamusu Gaiden ~Suishou no Joou Delfina~
41%
Tags
  • Dancer Heroine
  • Elf Protagonist
  • Queen Heroine
  • Defloration During Common Route
  • Armpit Licking
Rating 7.6334 Users
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
Shibora Renkare Keiyaku Hataraku Otona no Onee-san to H na Rental Kareshi Seikatsu
39%
Tags
  • Programmer Heroine
  • Nurse Protagonist
  • Half-Japanese Heroine
  • Prostitute Protagonist
  • Twin Footjob
Rating 6.9435 Users
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
Bakunyuu Onsen ~Inran Okami Etsuraku no Yu Hen~
38%
Tags
  • Heroine with Gigantic Breasts
  • Onsen
  • Only Adult Heroines
  • Lactation During Sex
  • Soapy Massage
Rating 6.8327 Users
Mama-Haha 2
Mama-Haha 2
35%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Swimming Club
  • Breast Smothering
Rating 7.7092 Users
Little Sick Girls ~Momo Mitsu wa Imouto no Kaori~
Little Sick Girls ~Momo Mitsu wa Imouto no Kaori~
35%
Tags
  • Chuunibyou Protagonist
  • Only Younger Heroines
  • Exhibitionism
  • Romance
  • Heroine with Big Breasts
Rating 6.3526 Users
Tomodachi no Haha ~Jukujuku Taru Omoi~
Tomodachi no Haha ~Jukujuku Taru Omoi~
34%
Tags
  • Netori
  • Armpit Licking
  • Nursing Handjob
  • Only Older Heroines
  • Discreet Phone Sex
Rating 7.0556 Users
Shuukatsu!
Shuukatsu!
34%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Toaru Ouhi no Neyagoto ~Teishuku na Tsuma wa Ikani Shite Haranda ka~
Toaru Ouhi no Neyagoto ~Teishuku na Tsuma wa Ikani Shite Haranda ka~
34%
Tags
  • Heroine in Relationship with Other(s)
  • Only Older Heroines
  • Queen Heroine
  • Central Heroine
  • Brief Third-person Narrative Sections
Rating 7.2658 Users
Moto Yan Kyonyuu Nurse no Ama Ero Kango
Moto Yan Kyonyuu Nurse no Ama Ero Kango
33%
Tags
  • Shotacon Heroine
  • Mother/Son Romance
  • Nursing Handjob
  • Pregnancy Good Ending
  • Protagonist's Blood-related Mother as a Heroine
Rating 6.9847 Users
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
Hitozuma ni Natta Onee-san ~Manatsu no Omoide~
33%
Tags
  • Heroine with Jeans
  • Food Play
  • Ejaculation Forewarner
  • Heroine with Inverted Nipples
  • Mirror Sex
Rating 6.5927 Users
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
Sukechatte!! ~Kyuushi ni Isshou o Ete Noumitsu Second Life~
32%
Tags
  • Protagonist with Superpowered Side
  • Invisibility
  • High Amount of Special Effects
  • Defloration During Common Route
  • Shapeshifting
Rating 6.4823 Users
Tsukiakari ni Modaeru Harame
Tsukiakari ni Modaeru Harame
31%
Tags
  • Painter Protagonist
  • Painter Heroine
  • Traditionalist Family
  • Poor Heroine
  • Protagonist's Ex as a Heroine
Rating 7.2645 Users
Neko no Onee-chan ga Oshiete Kureta Koto
Neko no Onee-chan ga Oshiete Kureta Koto
31%
Tags
  • Shotacon
  • Catgirl Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Skin Color Selection
Rating 6.8123 Users
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
Kuzu Oyaji to Wakarerarenai Haha o Aiyoku Ryakudatsu ~Semarare, Aisare, Netorareru~
31%
Tags
  • Jealousy
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Vaginal + Anal Object Insertion
  • Nursing Handjob
Rating 6.4239 Users
Boku to Sannin no Onee-sama ~Oneesan-tachi to Haramase OK Yome Erabi Dousei Life!~
Boku to Sannin no Onee-sama ~Oneesan-tachi to Haramase OK Yome Erabi Dousei Life!~
31%
Tags
  • Blood-related Aunt/Nephew Incest
  • Wealthy Protagonist
  • Protagonist's Aunt as a Heroine
  • Heroine with Inverted Nipples
  • Shotacon
Rating 6.9131 Users
Densetsu no Yuusha to Saiyaku no Maou no Ren
Densetsu no Yuusha to Saiyaku no Maou no Ren'ai Jijou ~Yuusha wa Maou no Haha ni, Maou wa Yuusha no Mama ni Koi o Shita~
31%
Tags
  • Completion Status Indicator
  • Widow Heroine
  • Heroine with Children
  • Protagonist's Blood-related Mother as a Heroine
  • Only Non-Virgin Heroines
Rating 6.7122 Users
Princess ☆ Sisters! ~Yon Shimai wa Zen
Princess ☆ Sisters! ~Yon Shimai wa Zen'in Anata no Iinazuke~
31%
Tags
  • Varying Ending Songs
  • Single Buttjob
  • Single Footjob
  • Intercrural Sex
  • Early Sexual Content
Rating 7.0120 Users
Ore no Ue de Agaku Rokunin no Togime
Ore no Ue de Agaku Rokunin no Togime
31%
Tags
  • Low Amount of Rape
  • Nude Filter
  • Assassin Heroine
  • Yakuza
  • Anal Masturbation
Rating 7.1034 Users
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
31%
Tags
  • Doggirl Heroine
  • Rimming Handjob
  • Dragon Heroine
  • Tailjob
  • Group Sex with Clones
Rating 6.9633 Users
Ama Ie
Ama Ie
31%
Tags
  • Aunt/Nephew Incest
  • Protagonist's Boss as a Heroine
  • Protagonist's Aunt as a Heroine
  • Blood-related Aunt/Nephew Incest
  • Cousin Romance
Rating 7.5197 Users
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
31%
Tags
  • Discipline Committee Leader Protagonist
  • Twin Bellyjob
  • Protagonist's Blood-related Sister as a Heroine
  • Heroine with Spats
  • Bunnygirl Cosplay
Rating 7.0627 Users
Mitsu Ane
Mitsu Ane
31%
Tags
  • Heroine with Baby Complex
  • Pillow Talk
  • Protagonist's Non-blood-related Sister as a Heroine
  • Armpit Licking
  • Nursing Handjob
Rating 7.7865 Users

Boku One ~End of Summer Days After~ has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (46 total)

NameScoreImportanceWeight
Heroine with Baby Complex2.002.825.63
Summer3.001.675.00
Time Jump2.002.464.91
Pillow Talk2.002.274.53
Armpit Licking2.002.174.35
Nursing Handjob2.002.124.24
Only Older Heroines2.002.074.13
Armpit Sex2.002.004.01
Bleep Censor2.001.913.83
Oneesan-type Heroine2.001.833.66
Adult Breast Sucking2.001.713.42
Sex with Protagonist Only3.001.133.38
Deredere Heroine2.001.613.23
Only Good Endings2.001.573.13
Internal Exhibition of Sex2.001.563.12
Kissing Scene2.001.442.88
Impregnation2.001.372.75
Few Choices2.001.332.65
Female Ejaculation2.001.272.55
Lactation During Sex2.001.272.54
Early Sexual Content2.001.232.45
Visible Cervix Penetration1.002.412.41
Reverse Piledriver1.002.402.40
Single Boobjob2.001.152.29
Protagonist's Childhood Friend as a Heroine2.001.142.28
Quickie Fix Position2.001.122.23
Sex in Public Places2.001.092.18
Only Virgin Heroines2.001.082.17
Student Heroine2.001.002.00
Outdoor Sex2.001.001.99
Sex on a Beach1.001.991.99
Nukige3.000.651.95
Blowjob Duck Face1.001.911.91
Single Blowjob2.000.951.90
Missionary Position2.000.941.88
Cunnilingus2.000.931.86
Romance2.000.901.79
Doggy Style2.000.811.61
Defloration2.000.761.52
Heroine with Huge Breasts1.001.401.40
Multiple Endings2.000.671.34
Only a Single Heroine1.251.011.27
Other Perspectives1.001.131.13
Heroine with Big Breasts1.000.840.84
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (93 total)

NameCharactersImportanceWeight
Baby Complex Personality23.113.41
Ane Act Role22.722.99
Nursing Handjob Engages in (Sexual)22.492.73
Open Cup Bra Clothes22.392.62
Office Worker Role22.312.54
Blowjob Duck Face Engages in (Sexual)22.242.46
Micro Bikini Clothes22.212.43
Sex on Beach Engages in (Sexual)22.152.36
Forced Marriage Subject of13.252.25
Not Sexually Involved Engages in (Sexual)41.352.18
Sleeveless Turtleneck Sweater Clothes12.932.03
Slingshot Micro Bikini Clothes12.922.03
Son Role21.822.00
Visible Cervix Penetration Subject of (Sexual)12.771.92
Armpit Licking Subject of (Sexual)12.701.87
Sex with Protagonist Only Engages in (Sexual)21.671.84
Reverse Piledriver Subject of (Sexual)12.651.84
Cheerleading Uniform Clothes12.631.82
Sling Bikini Clothes12.611.81
Bunnygirl Cosplay Engages in12.611.81
Adult Breast Feeding (obsolete) Engages in (Sexual)12.521.75
Armpit Sex Engages in (Sexual)12.491.72
Sleeveless Sweater Clothes12.471.71
Sex at Work Engages in (Sexual)12.471.71
Bunny Dress Clothes12.461.70
School Swimming Club Member Role12.441.69
Baby-doll Clothes12.441.69
Crotchless Panties Clothes12.411.67
Sports Bra Clothes12.381.65
French Kiss Engages in (Sexual)21.481.62
Leg Locking During Sex Engages in (Sexual)12.301.59
Nightgown Clothes12.281.58
Womanizer Personality12.281.58
Swimsuit Clothes12.281.58
Tank Top Clothes21.411.55
Large Penis Body12.211.53
Chinese Dress Clothes12.201.53
Milking (Sexual) Subject of (Sexual)12.201.53
Nipple Sucking Subject of (Sexual)21.381.52
Pissing Subject of (Sexual)12.181.51
Female Ejaculation Engages in (Sexual)21.361.50
Moving Engages in12.161.50
Kind Personality31.031.42
Sex in Public Places Engages in (Sexual)21.261.38
Swimming Engages in11.961.36
Vaginal Gaping Engages in (Sexual)11.951.35
Piledriver Subject of (Sexual)11.941.35
One Piece Swimsuit Clothes11.921.33
Naked Apron Clothes11.881.30
Butterfly Subject of (Sexual)21.171.29
Cunnilingus Subject of (Sexual)21.161.28
Outdoor Sex Engages in (Sexual)21.161.27
Infidelity Engages in11.801.25
Missionary Subject of (Sexual)21.121.23
Deredere Personality11.741.21
Reverse Missionary Subject of (Sexual)11.741.20
Quickie Fix Subject of (Sexual)21.081.19
Anal Fingering Subject of (Sexual)11.711.19
Huge Breasts Body11.701.18
Arrogant Personality11.701.18
Boobjob Engages in (Sexual)21.071.17
Sitting Sex Subject of (Sexual)21.061.17
Shorts Clothes11.681.16
Vaginal Masturbation Engages in (Sexual)11.671.16
Protective Personality11.671.16
Father Role11.671.16
Spoons Subject of (Sexual)11.671.16
Violet Eyes21.051.15
Nipple Teasing Subject of (Sexual)11.571.09
Sex in Water Engages in (Sexual)11.561.08
Jeans Clothes11.551.08
Maid's Dress Clothes11.511.05
Cowgirl Subject of (Sexual)20.951.05
Student Role11.491.03
Pissing Engages in (Sexual)11.471.02
Doggy Style Subject of (Sexual)20.921.02
Seventh Posture Subject of (Sexual)11.461.01
Mother Role11.461.01
Bikini Clothes11.461.01
Hair Tie Clothes11.410.98
Bathroom Sex Engages in (Sexual)11.390.96
Blowjob Engages in (Sexual)20.760.84
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.81
Handjob Engages in (Sexual)11.160.80
Big Breasts Body11.130.78
Ponytail Hair11.100.76
Brown Hair20.680.75
Vaginal Fingering Subject of (Sexual)11.080.75
Parted to Side Hair11.050.73
Virgin Sex Engages in (Sexual)10.850.59
Black Hair10.810.56
School Uniform Clothes10.760.52