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Summary

The protagonist Shinozaki Keisuke, visits his grandparents' house alone during summer vacation, and is greeted by his aunt Yuka. Beautiful, kind, and smart, a woman whom he admires since when he was young. However, after learning that his aunt is engaged, he becomes shocked. Featuring two scenarios, the relationship between the nephew and aunt is depicted differently, depending on the story. Unwilling to give his beloved aunt to anyone, he tells her his feelings, a story of "Longing and Immorality." He congratulates her at the time, but several years later, he decides to snatch her away, a story of "Regret and Lust." A pure-hearted boy or one who grows up to be a man. In each story, a woman in bewilderment, his aunt is being toyed with. An intimate relationship with her, please enjoy! [Translated and edited from the official website]

Saimin Datsujo 2 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Mikado Azusa Hen
Saimin Datsujo 2 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Mikado Azusa Hen
NAN%
Tags
  • Erotic Mind Control
  • Mind Control
  • Lesbian Heroine
  • Music Recollection
  • High School Student Heroine
Rating 6.9256 Users
Kagachi-sama Onagusame Tatematsurimasu Kai ~Netorare Mura In
Kagachi-sama Onagusame Tatematsurimasu Kai ~Netorare Mura In'yabanashi~
NAN%
Tags
  • Erotic Massage
  • Reverse Piledriver
  • Dildos
  • Group Sex of One Female and Several Males
  • Sexual Blindfold
Rating 6.9342 Users
Reijuu Hitozuma Agent Shion ~Sennyuu Sousakan vs Sennou Sousakan~
Reijuu Hitozuma Agent Shion ~Sennyuu Sousakan vs Sennou Sousakan~
NAN%
Tags
  • Sexual Hair Eating
  • Heroine with Catsuit
  • Clamps (BDSM)
  • Only Younger Heroines
  • Half-Japanese Heroine
Rating 6.3038 Users
Naisho no Kan
Naisho no Kan'in ~Manatsu no Asedaku Koubi~
NAN%
Tags
  • Widow(er) Protagonist
  • Oyaji Protagonist
  • In-law Incest
  • Polyamory
  • Mischievous Heroine
Rating 7.6778 Users
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Netori
  • Sex at Work
  • Bunnygirl Cosplay
  • Married Heroine
Rating 7.5484 Users
Princess Heart Link ~Kenki-tachi no Enbu~
Princess Heart Link ~Kenki-tachi no Enbu~
NAN%
Tags
  • Virtual Reality
  • Gamer Heroine
  • Sex Involving Food
  • Shota Protagonist
  • No Common Sense Heroine
Rating 7.96104 Users
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
Ecchi na Douki wa Suki Desu ka? ~Boku wa Kanojo o Nugasete Sodateru~
NAN%
Tags
  • Production of Pornography (Professional)
  • Actress Heroine
  • Mirror Sex
  • Only Non-Virgin Heroines
  • Condoms
Rating 6.2125 Users
Hitozuma Heaven 2 ~Hanshoku Mansion, Hitozuma no Shikyuu o Kodane de Mitasu~
Hitozuma Heaven 2 ~Hanshoku Mansion, Hitozuma no Shikyuu o Kodane de Mitasu~
NAN%
Tags
  • Netori
  • Only Good Endings
  • Internal Exhibition of Sex
  • Ejaculation Choice
  • Only Adult Heroines
Rating 6.8922 Users
Onee-chan (tachi) wa Osewa Saretai!
Onee-chan (tachi) wa Osewa Saretai!
NAN%
Tags
  • Non-blood-related Brother/Sister Incest
  • Oyakodon
  • Single Buttjob
  • Background Moans
  • University Student Protagonist
Rating 6.6633 Users
Tenioha! feat.Ikumi ~Sukebe na Asobi Ippai Shiyoo?~
Tenioha! feat.Ikumi ~Sukebe na Asobi Ippai Shiyoo?~
NAN%
Tags
  • Tennis Club
  • Sex in Karaoke Box
  • Condoms
  • Used Condoms Exposition
  • Heroine with Tan Lines
Rating 6.9723 Users
Muchimuchi♥Dekapai♥Marakui♥Succubus Mama wa Hatashite Mama na no ka?
Muchimuchi♥Dekapai♥Marakui♥Succubus Mama wa Hatashite Mama na no ka?
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Widow Heroine
  • Succubus Heroine
  • Heroine with Children
  • Blowjob Duck Face
Rating 7.1745 Users
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
NAN%
Tags
  • Sex on a Beach
  • Highly Animated Sprites
  • Lip Sync
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 7.2739 Users
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
NAN%
Tags
  • Succubus Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Non-blood-related Brother/Sister Incest
Rating 7.0430 Users
Okuchi wa Uwaki ni Naranai no yo? ~Shinkon na no ni Bijin Joushi to Himitsu no Zangyou~
Okuchi wa Uwaki ni Naranai no yo? ~Shinkon na no ni Bijin Joushi to Himitsu no Zangyou~
NAN%
Tags
  • Anal Object Insertion
  • Protagonist's Boss as a Heroine
  • Sex at Work
  • Salaryman Protagonist
  • Vaginal + Anal Object Insertion
Rating 6.4624 Users
Aniyome ni Sasowarete ~Gishi ga Ero Sugite Kateinai Furin~
Aniyome ni Sasowarete ~Gishi ga Ero Sugite Kateinai Furin~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Remote-controlled Vibrator
  • Only Non-Virgin Heroines
  • Reverse Missionary
  • Urination Fetish
Rating 6.2522 Users
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
NAN%
Tags
  • Erotic Massage
  • Massage Therapist Protagonist
  • Maou Heroine
  • Thief Heroine
  • Onahole
Rating 7.1943 Users
Yamitsuki Yandere Harem!
Yamitsuki Yandere Harem!
NAN%
Tags
  • Yandere Heroine
  • Heroine with Huge Breasts
  • Hair Pulling (Sexual)
  • Only Virgin Heroines
  • Nursing Handjob
Rating 6.5236 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 6.9764 Users
Purepure♥Peropero♥Princess ~Junshin Mahou Oujo no Do Sukebe Kairaku Lesson~
Purepure♥Peropero♥Princess ~Junshin Mahou Oujo no Do Sukebe Kairaku Lesson~
NAN%
Tags
  • Oni Heroine
  • Lotion Play
  • Oyaji Protagonist
  • Anal Plug Tail
  • Group Sex with Clones
Rating 7.1460 Users
Haishinsha no Chouten ni Ore wa Tatsu! - Subete o Ubae! Mezase 100 Man Shasei!!
Haishinsha no Chouten ni Ore wa Tatsu! - Subete o Ubae! Mezase 100 Man Shasei!!
NAN%
Tags
  • Online Streamer Protagonist
  • Live Sexual Broadcast
  • Dancer Heroine
  • Haraguro Heroine
  • Social Networking Service
Rating 6.6322 Users
Nangoku Prison ~Hyouryuu Shita Mujintou ga Kozukuri Shinai to Derarenai Shima Datta Ken~
Nangoku Prison ~Hyouryuu Shita Mujintou ga Kozukuri Shinai to Derarenai Shima Datta Ken~
NAN%
Tags
  • Stranded
  • Quadruple+ Blowjob
  • Has Window Transparency Setting
  • Twin Buttjob
  • Island
Rating 7.0726 Users
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
NAN%
Tags
  • Delinquent Heroine
  • Only Virgin Heroines
  • Impregnation
  • High School Student Protagonist
  • Sex in Public Places
Rating 7.0339 Users
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
Anata to Kozukuri Shitai na♪ ~Suujuunen Buri no Saikai! Osananajimi wa Eroku Yokkyuu Fuman ni Natteimashita~
NAN%
Tags
  • Reverse Netorare
  • Female Protagonist for a Short Time
  • Heroine with Children
  • Only Non-Virgin Heroines
  • Only One Good Ending
Rating 6.3538 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
  • Nurse Protagonist
  • Prostitute Protagonist
  • Twin Footjob
  • Sex Involving Prostitution
  • Pregnancy
Rating 7.0335 Users
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
Isekai Monmusu Sensation - Monmusu Sensei to Manabu H na Renai Gaku
41%
Tags
  • Doggirl Heroine
  • Rimming Handjob
  • Dragon Heroine
  • Group Sex with Clones
  • Tailjob
Rating 6.9732 Users
Sanbiki no Mesu Buta ~Kangoku no Nejiro~
Sanbiki no Mesu Buta ~Kangoku no Nejiro~
40%
Tags
  • Pig Cosplay
  • Cow Cosplay
  • Princess Heroine
  • Nose Hook
  • Pillory Sex
Rating 7.2325 Users
Okuchi wa Uwaki ni Naranai no yo? ~Shinkon na no ni Bijin Joushi to Himitsu no Zangyou~
Okuchi wa Uwaki ni Naranai no yo? ~Shinkon na no ni Bijin Joushi to Himitsu no Zangyou~
40%
Tags
  • Anal Object Insertion
  • Protagonist's Boss as a Heroine
  • Sex at Work
  • Salaryman Protagonist
  • Vaginal + Anal Object Insertion
Rating 6.4624 Users
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
Kazoku wa (Ore Igai) Succubus Deshita ~ Futari no Ane to Haha to no Seikatsu de Seieki o Shiboritora Remasu ~
38%
Tags
  • Succubus Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Non-blood-related Brother/Sister Incest
Rating 7.0430 Users
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
Ane Tsumami 2 ~Ecchi na Onee-san Hitozuma ni Tappuri Amaeru Mecha Shiko Love Life~
38%
Tags
  • Sex on a Beach
  • Highly Animated Sprites
  • Lip Sync
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 7.2739 Users
Tenioha! feat.Ikumi ~Sukebe na Asobi Ippai Shiyoo?~
Tenioha! feat.Ikumi ~Sukebe na Asobi Ippai Shiyoo?~
38%
Tags
  • Tennis Club
  • Sex in Karaoke Box
  • Condoms
  • Used Condoms Exposition
  • Heroine with Tan Lines
Rating 6.9723 Users
Muchimuchi♥Dekapai♥Marakui♥Succubus Mama wa Hatashite Mama na no ka?
Muchimuchi♥Dekapai♥Marakui♥Succubus Mama wa Hatashite Mama na no ka?
36%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Widow Heroine
  • Succubus Heroine
  • Heroine with Children
  • Blowjob Duck Face
Rating 7.1745 Users
Hitozuma Heaven 2 ~Hanshoku Mansion, Hitozuma no Shikyuu o Kodane de Mitasu~
Hitozuma Heaven 2 ~Hanshoku Mansion, Hitozuma no Shikyuu o Kodane de Mitasu~
35%
Tags
  • Netori
  • Only Good Endings
  • Internal Exhibition of Sex
  • Ejaculation Choice
  • Only Adult Heroines
Rating 6.8922 Users
Onee-chan (tachi) wa Osewa Saretai!
Onee-chan (tachi) wa Osewa Saretai!
35%
Tags
  • Non-blood-related Brother/Sister Incest
  • Oyakodon
  • Single Buttjob
  • Background Moans
  • University Student Protagonist
Rating 6.6633 Users
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
35%
Tags
  • Erotic Massage
  • Massage Therapist Protagonist
  • Maou Heroine
  • Thief Heroine
  • Onahole
Rating 7.1943 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~
35%
Tags
  • Single Legjob
  • Shoejob
  • Bunnygirl Cosplay
  • Onahole
  • Pissing on Others
Rating 6.9764 Users
Haishinsha no Chouten ni Ore wa Tatsu! - Subete o Ubae! Mezase 100 Man Shasei!!
Haishinsha no Chouten ni Ore wa Tatsu! - Subete o Ubae! Mezase 100 Man Shasei!!
35%
Tags
  • Online Streamer Protagonist
  • Live Sexual Broadcast
  • Dancer Heroine
  • Haraguro Heroine
  • Social Networking Service
Rating 6.6322 Users
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
Hankouteki na Yankee Shoujo (Classmate) to no Zettai Shujuu Kankei
34%
Tags
  • Delinquent Heroine
  • Only Virgin Heroines
  • Impregnation
  • High School Student Protagonist
  • Sex in Public Places
Rating 7.0339 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
34%
Tags
  • Nurse Protagonist
  • Prostitute Protagonist
  • Twin Footjob
  • Sex Involving Prostitution
  • Pregnancy
Rating 7.0335 Users
Mama Haha wa Musuko o Aishiteru! ~Okaa-san ni Amaete Ii no yo...Rinko Mama no Ecchi na Osewa Jijou~
Mama Haha wa Musuko o Aishiteru! ~Okaa-san ni Amaete Ii no yo...Rinko Mama no Ecchi na Osewa Jijou~
34%
Tags
  • Non-blood-related Mother/Son Incest
  • Widow Heroine
  • Mother/Son Romance
  • Incest Romance
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 7.3744 Users
Takane no Hana to Mahou no Tsubo
Takane no Hana to Mahou no Tsubo
34%
Tags
  • Student Council Member Protagonist
  • School Nurse Heroine
  • Gyaru Heroine
  • Student Council President Heroine
  • Anal Sex
Rating 7.1633 Users
Harem x Shangri-La
Harem x Shangri-La
33%
Tags
  • Unavoidable Harem Ending
  • Transfer Student Protagonist
  • Pregnancy Ending
  • Gyaru Heroine
  • Pregnancy Good Ending
Rating 7.6660 Users
Dekapai♥Namaiki♥Imouto Maou♥ ~Dekachin♂Gachi Iki Toubatsuki~
Dekapai♥Namaiki♥Imouto Maou♥ ~Dekachin♂Gachi Iki Toubatsuki~
33%
Tags
  • Priestess Heroine
  • Mischievous Heroine
  • Heroine with Huge Breasts
  • Widow Heroine
  • Protagonist's Younger Sister as a Heroine
Rating 6.8721 Users
Bakunyuu Dakedo Cool de Tsuyoki na Oku-san wa Suki Desu ka? ~Honki ni Naru Tsumori Nante Nakatta no ni~
Bakunyuu Dakedo Cool de Tsuyoki na Oku-san wa Suki Desu ka? ~Honki ni Naru Tsumori Nante Nakatta no ni~
33%
Tags
  • Only Older Heroines
  • Obacon
  • Businesswoman Heroine
  • Bunnygirl Cosplay
  • Pragmatic Heroine
Rating 7.4749 Users
Mesu Tsumami 2 ~Ijippari Tsuyokizuma to Seiso na Kiyowazuma to no Love Ero Seikatsu~
Mesu Tsumami 2 ~Ijippari Tsuyokizuma to Seiso na Kiyowazuma to no Love Ero Seikatsu~
33%
Tags
  • Netori
  • Used Condoms Exposition
  • Protagonist's Boss as a Heroine
  • Sex at Work
  • Pillow Talk
Rating 7.4666 Users
Kan
Kan'ochi x Gyaru Oyako ~Maji Kimochi Ii! Atashi-tachi, Anta no Niku Onaho ni Sarechau~
33%
Tags
  • Gyaru Heroine
  • Heroine's Mother as a Heroine
  • Erotic Mind Control
  • Heroine with Anal Hair
  • Oyakodon
Rating 5.9937 Users
Tonari no Oyako wa Nikushokukei!? ~Ai to Yokubou to Yuuwaku no Hibi wa Hikkoshi to Tomo ni Otozureru~
Tonari no Oyako wa Nikushokukei!? ~Ai to Yokubou to Yuuwaku no Hibi wa Hikkoshi to Tomo ni Otozureru~
33%
Tags
  • Divorcee Heroine
  • Onahole
  • Masturbation with Object
  • Oyakodon Ending
  • Heroine with Children
Rating 6.5924 Users
Soap Land no Hasshaku-sama
Soap Land no Hasshaku-sama
32%
Tags
  • Soapland
  • Ejaculation Forewarner
  • Driver Protagonist
  • Oneesan-type Heroine
  • Urban Legend
Rating 7.7179 Users
Shinshoku
Shinshoku
32%
Tags
  • Invisibility
  • ESP
  • Sexual Corruption
  • Pregnancy
  • Sensory Deprivation
Rating 7.3555 Users

Boku Iro Ni Somaru Oba has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Tags (31 total)

NameScoreImportanceWeight
Protagonist's Aunt as a Heroine2.672.235.96
Aunt/Nephew Incest2.002.745.49
Mirror Sex2.002.034.07
Shota Protagonist2.001.853.70
Scenario Selection2.001.823.64
Only Non-Virgin Heroines2.001.793.58
Only Good Endings2.001.573.14
Infidelity2.001.513.02
Butterfly2.001.502.99
Unlockable Routes2.001.492.98
Heroine with Pubic Hair2.001.482.97
Background Moans2.001.442.87
Ponytail Heroine2.001.412.81
Vaginal Masturbation2.001.372.75
Heroine with Big Breasts3.000.852.56
Under the Same Roof2.001.272.54
Bathroom Sex2.001.192.38
Single Boobjob2.001.152.31
Anal Sex2.001.142.27
Quickie Fix Position2.001.112.23
Kinetic Novel2.001.072.15
Only a Single Heroine2.001.022.04
Sex Involving Children1.001.951.95
Single Blowjob2.000.971.93
Nukige2.670.651.74
Cowgirl2.000.841.68
Internal Exhibition of Sex1.001.561.56
Married Heroine1.001.421.42
Ahegao1.001.251.25
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (32 total)

NameCharactersImportanceWeight
Nephew Role12.561.78
Sex with Children Engages in (Sexual)12.491.73
Aunt Role12.371.65
Mirror Sex Engages in (Sexual)12.311.60
Piledriver Subject of (Sexual)11.941.35
Yukata Clothes11.851.28
Infidelity Engages in11.801.24
Vaginal Masturbation Engages in (Sexual)11.701.18
Spoons Subject of (Sexual)11.671.16
Cyan Eyes11.661.15
Mole Body11.591.10
Incest Engages in (Sexual)11.471.02
Seventh Posture Subject of (Sexual)11.461.01
Masturbation Engages in (Sexual)11.390.96
Bathroom Sex Engages in (Sexual)11.390.96
Pubic Hair Hair11.340.93
Ahegao Engages in (Sexual)11.320.92
Dress Clothes11.250.87
Ribbon Hair Tie Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Big Breasts Body11.140.79
Missionary Subject of (Sexual)11.120.77
Quickie Fix Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Cowgirl Subject of (Sexual)10.950.66
Doggy Style Subject of (Sexual)10.930.64
Black Hair10.810.56
Young-adult Body10.760.53
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52
Pale Body10.370.26