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Summary

Yuta Yamauchi and Kei Higashide became a couple on a sunny day. The two started living together and lived in peace, but Yuta's sister and Kei's nemesis, Otoha Yamauchi, came over. When Otoha learns that his younger brother lives with Kei, she refuses to recognize the relationship between the two and comes up with certain conditions. Yuta and Kei struggle together to get Otoha's recognition. [From Wikipedia]

Harahara Shichau!! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Amahara Izumo Hen-
Harahara Shichau!! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Amahara Izumo Hen-
NAN%
Tags
  • Reverse Rape
  • Protagonist's Full Sister as a Heroine
  • Rape with Blackmail
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
Rating 6.2661 Users
Paizuri Cheerleader VS Sakunyuu Ouendan!
Paizuri Cheerleader VS Sakunyuu Ouendan!
NAN%
Tags
  • Cheerleader Heroine
  • Student Club
  • Harem Ending
  • Heroine with a Fang
  • Non-blood-related Brother/Sister Incest
Rating 7.0337 Users
AneDeath. ~Ane-jini Kakugo no "Otouto-shibori" na Natsu ga Kuru!~
AneDeath. ~Ane-jini Kakugo no "Otouto-shibori" na Natsu ga Kuru!~
NAN%
Tags
  • Sex Scene Recollection
  • Non-twin Heroine Sisters
  • Foreskin Play
  • Drop-Out Protagonist
  • Protagonist with Phimosis
Rating 7.0459 Users
Immoral Lovers ~Yome ya Gifu ni wa Ienai Katei no Jouji~
Immoral Lovers ~Yome ya Gifu ni wa Ienai Katei no Jouji~
NAN%
Tags
  • Mother/Daughter Incest
  • Protagonist's Sister-in-Law as a Heroine
  • Oyakodon Ending
  • Single Buttjob
  • Heroine's Mother as a Heroine
Rating 5.9826 Users
Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
Tokonatsu no Haramase Hitozuma Island e Youkoso! ~Ero Muchi Gibo-tachi 4nin to Mujintou Tanezuke Vacance!~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Aunt/Nephew Incest
Rating 6.4129 Users
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
Koi to Mizugi to Taiyou to ~Sumire-jima Life Savers~
NAN%
Tags
  • Lifeguard Heroine
  • Swimming Club
  • Summer
  • Heroine with Swimsuits
  • Perverted Friend
Rating 6.9021 Users
Oinari-sama to Dadaama Kozukurikon ~Nuicha Dame! Takusan Dashite Oneesan no Shikyuu Ippai ni Shite Kudasai ne♪~
Oinari-sama to Dadaama Kozukurikon ~Nuicha Dame! Takusan Dashite Oneesan no Shikyuu Ippai ni Shite Kudasai ne♪~
NAN%
Tags
  • Kitsune Heroine
  • Goddess Heroine
  • Pregnancy Good Ending
  • Single Ending
  • Under the Same Roof
Rating 6.0953 Users
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
NAN%
Tags
  • Shotacon Heroine
  • Shota Protagonist
  • Oneesan-type Heroine
  • Straight Shotacon
  • Naked Heroine with Apron
Rating 6.5920 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
NAN%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6533 Users
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
NAN%
Tags
  • Cosplay
  • Shota Protagonist
  • Straight Shotacon
  • Heroine with Swimsuits
  • Sex in Water
Rating 6.4422 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
boin
boin
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4950 Users
Siskon
Siskon
NAN%
Tags
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Salaryman Protagonist
  • Childishly Violent Heroine
  • Childhood Promise
Rating 6.6029 Users
Natsu no Osananajimi to, Fuyu no Kanojo
Natsu no Osananajimi to, Fuyu no Kanojo
NAN%
Tags
  • Student-Teacher Romance
  • Siscon Protagonist
  • Cousin Incest
  • Half-Japanese Heroine
  • Foreigner Heroine
Rating 7.0028 Users
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
NAN%
Tags
  • Short Sexual Scenes
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Discreet Phone Sex
  • Classic Tsundere Heroine
Rating 6.5633 Users
Eroge Shiyou yo!
Eroge Shiyou yo!
NAN%
Tags
  • Romancing a Family
  • Production of Pornography (Drawn)
  • Otaku Protagonist
  • Armpit Sex
  • Twin Handjob
Rating 5.8727 Users
Onee-san ☆ Hara Mix
Onee-san ☆ Hara Mix
NAN%
Tags
  • Shinigami Heroine
  • Dormitory Manager Heroine
  • Sex Under the Necessity
  • Impregnation
  • Widow Heroine
Rating 6.7725 Users
Shimaizuma ~Shimaizuma 3~
Shimaizuma ~Shimaizuma 3~
NAN%
Tags
  • Asian-style Manor
  • Heroine With Kansai Accent
  • Childishly Violent Heroine
  • Unrequited Love
  • Brief Branches Only
Rating 7.3138 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
NAN%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6234 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
NAN%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1543 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
NAN%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1623 Users
Ririshiki Bushin Reiha to Amalove Nakadashi Seikatsu! ~Watashi to Ko o Nashitekure... Ongi ni wa Kono Karada de Seishin Seii Kotaeyou~
Ririshiki Bushin Reiha to Amalove Nakadashi Seikatsu! ~Watashi to Ko o Nashitekure... Ongi ni wa Kono Karada de Seishin Seii Kotaeyou~
NAN%
Tags
  • Sudden Girlfriend Appearance
  • Deities
  • Sex Under the Necessity
  • Curse
  • Goddess Heroine
Rating 6.2843 Users
Ama Ane
Ama Ane
NAN%
Tags
  • Dormitory Manager Protagonist
  • Scary Protagonist
  • Homemaker Protagonist
  • Family Life Comedy
  • Rhythm Game
Rating 6.9238 Users
Nee ♥ Summer! ~Nee ♥ Sama!~
Nee ♥ Summer! ~Nee ♥ Sama!~
69%
Tags
  • Cousin Incest
  • Oneesan-type Heroine
  • Protagonist's Cousin as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Cousin Romance
Rating 6.8145 Users
Shindan no Kekka, Sore wa Koi no Yamai Desu
Shindan no Kekka, Sore wa Koi no Yamai Desu
37%
Tags
  • Medical Doctor Heroine
  • Genre Savvy Protagonist
  • Protagonist's Non-blood-related Sister as a Heroine
  • Nurse Heroine
  • Spring
Rating 6.6922 Users
Siskon
Siskon
35%
Tags
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Salaryman Protagonist
  • Childishly Violent Heroine
  • Childhood Promise
Rating 6.6029 Users
boin
boin
28%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4950 Users
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
Tap~puri Ijitte Ageru♪ ~Chiisaku Natte Cool Beauty na Kikyou Onee-chan ni Shiborare Tsukusu Itazura Kozukuri~
28%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
Amayakashitari Shinai zo! ~Chiisaku Natte Junjou Kachiki na Aoba Onee-chan ni Shikari Kawaigarareru Tsundere Kozukuri~
28%
Tags
  • Cosplay
  • Shota Protagonist
  • Straight Shotacon
  • Heroine with Swimsuits
  • Sex in Water
Rating 6.4422 Users
Toraba!
Toraba!
25%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
Ip~pai Amaete ne♪ ~Chiisaku Natte Yasashii Kasumi Onee-chan ni Osewa Saretsukusu Iyasare Kozukuri~
25%
Tags
  • Shotacon Heroine
  • Shota Protagonist
  • Oneesan-type Heroine
  • Straight Shotacon
  • Naked Heroine with Apron
Rating 6.5920 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
24%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6533 Users
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
24%
Tags
  • Short Sexual Scenes
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Discreet Phone Sex
  • Classic Tsundere Heroine
Rating 6.5633 Users
Onee-san ☆ Hara Mix
Onee-san ☆ Hara Mix
22%
Tags
  • Shinigami Heroine
  • Dormitory Manager Heroine
  • Sex Under the Necessity
  • Impregnation
  • Widow Heroine
Rating 6.7725 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
22%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6234 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
21%
Tags
  • Brother/Sister Romance
  • Protagonist with Phimosis
  • Romancing a Family
  • Protagonist's Non-blood-related Sister as a Heroine
  • Single Hole Multiple Objects Insertion (obsolete)
Rating 7.1623 Users
Ama Ane
Ama Ane
21%
Tags
  • Dormitory Manager Protagonist
  • Scary Protagonist
  • Homemaker Protagonist
  • Family Life Comedy
  • Rhythm Game
Rating 6.9238 Users
Milk Junkie 2
Milk Junkie 2
21%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 Users
Oshirikko Venus 2
Oshirikko Venus 2
21%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2533 Users
Tsukiakari ni Modaeru Harame
Tsukiakari ni Modaeru Harame
20%
Tags
  • Painter Protagonist
  • Painter Heroine
  • Traditionalist Family
  • Poor Heroine
  • Protagonist's Ex as a Heroine
Rating 7.2645 Users
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
Jukuren Ganbou ~Himeta Omoi to Midara na Ai no Katachi~
20%
Tags
  • Businesswoman Heroine
  • Multiple Credit Rolls
  • Twin Footjob
  • Pure Love Story
  • Sex at Work
Rating 6.9224 Users
Meguri Megureba Meguru Toki!?
Meguri Megureba Meguru Toki!?
20%
Tags
  • Youkai Heroine
  • Youkai
  • Heroine with Shorts
  • Ghost Heroine
  • Nekomimi Heroine
Rating 7.1721 Users
Sweetest Maman!
Sweetest Maman!
20%
Tags
  • Apartment Building
  • Host Club Heroine
  • Landlady Heroine
  • Only Non-Virgin Heroines
  • Widow Heroine
Rating 7.0228 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
20%
Tags
  • Oyakodon Ending
  • Heroine with Ahoge
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Incest
Rating 6.9136 Users
Resort Boin
Resort Boin
20%
Tags
  • Plant Sex
  • Summer
  • Heroine with Swimsuits
  • Dogs
  • Clumsy Heroine
Rating 7.67101 Users
Lucky Sukebe na Ore no Nichijou ~Bijin na Hahaoya to Miboujin ga Doukyo Shite Ore ni Sematte Kuru Ken~
Lucky Sukebe na Ore no Nichijou ~Bijin na Hahaoya to Miboujin ga Doukyo Shite Ore ni Sematte Kuru Ken~
19%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • BDSM
  • Only Adult Heroines
Rating 6.6339 Users

Nee ♥ Summer! 2 ~Nee ♥ Sama!~ 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 (32 total)

NameScoreImportanceWeight
Oneesan-type Heroine3.001.835.49
Cousin Incest2.332.014.69
Incest Romance2.002.254.50
Summer2.671.664.44
Childishly Violent Heroine2.002.184.35
Pregnancy Ending2.002.004.01
Brother/Sister Romance2.001.923.84
Protagonist's Cousin as a Heroine2.001.883.77
Protagonist's Fiancee as a Heroine1.502.483.72
Brocon Heroine2.001.613.21
Date Display2.001.492.99
Blood-related Brother/Sister Incest2.001.482.97
Game Over2.001.472.95
Protagonist in Relationship2.001.442.89
Hetare Protagonist1.332.172.88
Fast Mini-games1.501.882.82
Bonus Side Stories1.671.632.72
Modern Day Japan2.001.322.65
Under the Same Roof2.001.272.54
Female Domination1.501.442.16
High Sexual Content2.001.052.10
Unlockable Routes1.331.491.98
Protagonist's Blood-related Sister as a Heroine1.001.951.95
Sex in Public Places1.501.091.63
Twin Blowjob1.001.291.29
Boobjob0.751.330.99
Footjob0.501.890.94
Group Sex of One Male and Several Females1.000.920.92
Incest0.332.120.70
Male Protagonist2.000.300.60
Big Breast Sizes Heroine0.331.310.43
ADV2.000.140.29

Traits (38 total)

NameCharactersImportanceWeight
Cousin Role31.872.60
Ane Act Role12.731.89
Capri Pants Clothes12.611.81
High Heeled Sandals Clothes12.251.56
Chinese Dress Clothes12.201.52
Nipple Sucking Subject of (Sexual)21.381.52
Boobs on Glass Subject of (Sexual)12.151.49
Brother Complex Personality12.061.43
Ringlet Hair12.001.38
Decorative Belt Clothes11.981.37
Mutual Masturbation Engages in (Sexual)11.941.34
Younger Brother Role11.901.32
Yukata Clothes11.851.28
Twin Boobjob Engages in (Sexual)11.771.23
Footjob Engages in (Sexual)11.721.19
Garnet Eyes11.661.15
Older Sister Role11.561.08
Bracelet Clothes11.561.08
Vest Clothes11.521.06
Pendant Necklace Clothes11.521.05
Cowgirl Subject of (Sexual)20.951.05
Incest Engages in (Sexual)11.471.02
Bikini Clothes11.461.01
Bathroom Sex Engages in (Sexual)11.390.96
Blowjob Engages in (Sexual)20.760.84
Outdoor Sex Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Quickie Fix Subject of (Sexual)11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Sitting Sex Subject of (Sexual)11.060.74
Sidehair Hair10.980.68
Virgin Sex Engages in (Sexual)10.850.59
Waist Length+ Hair10.810.56
Black Hair10.800.56
Blue Eyes10.800.56
Long Hair10.750.52
Brown Hair10.680.47