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Summary

Yuuta wish to attend a certain university so he can impress the girl he likes. But the entrance exam won't be that easy so he has to exert effort in studying while it is still summer. For that reason, he go to the house of his cousin named Kei for study assistance. And since his uncle is out, they'll be living together... just the two of them. edited from kaorinusantara

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
  • Rape with Blackmail
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Siscon Protagonist
Rating 6.2662 Users
Korekara Anata o Ubau kara!!! -Yuuwaku ♥ Soudatsu ♥ Sisters-
Korekara Anata o Ubau kara!!! -Yuuwaku ♥ Soudatsu ♥ Sisters-
NAN%
Tags
  • School Nurse Heroine
  • All-boys School
  • Foreigner Heroine
  • Timid Heroine
  • Nursing Handjob
Rating 7.4166 Users
Ookii Koto wa H na Koto Da! - Koushinchou Onee-san-tachi to Bukkake Harem Seikatsu
Ookii Koto wa H na Koto Da! - Koushinchou Onee-san-tachi to Bukkake Harem Seikatsu
NAN%
Tags
  • Tall Heroine
  • Chubby Heroine
  • Muscular Heroine
  • Only Non-Virgin Heroines
  • Summer
Rating 6.5227 Users
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
Otokano ~Otouto no Kanojo ga Bunkei de Tsuyome!?~
NAN%
Tags
  • Protagonist's Older Sister as a Heroine
  • Long Common Route
  • Protagonist's Girlfriend as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Pragmatic Heroine
Rating 7.6072 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
Ikenai Kozukuri ~Shin
Ikenai Kozukuri ~Shin'yuu no Okaa-san ni Tanetsuke Shimakuru Isshuukan~
NAN%
Tags
  • No "Keep Voice on Click" Option
  • Netori
  • Infidelity
  • Impregnation
  • Married Heroine
Rating 6.9149 Users
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
NAN%
Tags
  • Production of Pornography (Professional)
  • Unavoidable Netorare
  • Only Adult Heroines
  • Married Heroine
  • Protagonist in Relationship
Rating 6.3322 Users
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
NAN%
Tags
  • Rounin Protagonist
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.8149 Users
Okaa-san ga Ippai!
Okaa-san ga Ippai!
NAN%
Tags
  • Short Sexual Scenes
  • Protagonist's Non-blood-related Mother as a Heroine
  • Actress Heroine
  • Martial Artist Heroine
  • Smoker Heroine
Rating 7.5351 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 7.4951 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
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8524 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 7.1723 Users
Shindan no Kekka, Sore wa Koi no Yamai Desu
Shindan no Kekka, Sore wa Koi no Yamai Desu
NAN%
Tags
  • Medical Doctor Heroine
  • Genre Savvy Protagonist
  • Protagonist's Non-blood-related Sister as a Heroine
  • Nurse Heroine
  • Spring
Rating 6.6922 Users
Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~
Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~
NAN%
Tags
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Protagonist's Aunt as a Heroine
  • Only Older Heroines
  • Blood-related Mother/Son Incest
Rating 7.28116 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 6.4822 Users
Amayakashi na Kanojo ~Boseiteki na Ayakashi Musume to Ama Ero Seikatsu Hajimemasu~
Amayakashi na Kanojo ~Boseiteki na Ayakashi Musume to Ama Ero Seikatsu Hajimemasu~
NAN%
Tags
  • Youkai Heroine
  • Yuki-onna Heroine
  • Kitsune Heroine
  • Albino Heroine
  • Nursing Handjob
Rating 6.9637 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~
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • BDSM
  • Only Adult Heroines
Rating 6.6339 Users
Onee-chan to Shota-kun to. ~Naka o Yoku Suru H no Kankei~
Onee-chan to Shota-kun to. ~Naka o Yoku Suru H no Kankei~
NAN%
Tags
  • Protagonist's Blood-related Sister as a Heroine
  • Only Older Heroines
  • Shota Protagonist
  • Brocon Heroine
  • Shotacon
Rating 6.5136 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 7.1544 Users
Aniyome Oyako
Aniyome Oyako
NAN%
Tags
  • Masturbation Involving Food
  • Romancing a Family
  • In-law Incest
  • Body Food
  • Protagonist's Sister-in-Law as a Heroine
Rating 6.4836 Users
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
NAN%
Tags
  • Defloration During Common Route
  • Only Protagonist's Sisters as Heroine(s)
  • Long Sexual Scenes
  • Protagonist's Full Sister as a Heroine
  • Triple Boobjob
Rating 6.7035 Users
Aku no Soshiki no Ikiokure Onna Kanbu o Haramase Onaho ni Suru Sentouin Seikatsu
Aku no Soshiki no Ikiokure Onna Kanbu o Haramase Onaho ni Suru Sentouin Seikatsu
NAN%
Tags
  • Secret Romance
  • Superheroine
  • Hotblooded Heroine
  • Protagonist's Boss as a Heroine
  • Villainous Heroine
Rating 7.0127 Users
Oppai Igai ga Dame Sugiru Ane
Oppai Igai ga Dame Sugiru Ane
NAN%
Tags
  • Family Life Comedy
  • Non-twin Heroine Sisters
  • Oneesan-type Heroine
  • Alcoholism
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.1954 Users
Nee ♥ Summer! 2 ~Nee ♥ Sama!~
Nee ♥ Summer! 2 ~Nee ♥ Sama!~
68%
Tags
  • Oneesan-type Heroine
  • Cousin Incest
  • Incest Romance
  • Summer
  • Childishly Violent Heroine
Rating 6.9439 Users
Siskon
Siskon
42%
Tags
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Salaryman Protagonist
  • Childishly Violent Heroine
  • Childhood Promise
Rating 6.6029 Users
Shindan no Kekka, Sore wa Koi no Yamai Desu
Shindan no Kekka, Sore wa Koi no Yamai Desu
31%
Tags
  • Medical Doctor Heroine
  • Genre Savvy Protagonist
  • Protagonist's Non-blood-related Sister as a Heroine
  • Nurse Heroine
  • Spring
Rating 6.6922 Users
Aneboku ~Onee-chan wa Bijin 3 Shimai~
Aneboku ~Onee-chan wa Bijin 3 Shimai~
28%
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 7.1723 Users
Toraba!
Toraba!
26%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8524 Users
boin
boin
26%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4951 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~
25%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Handjob
  • Anilingus
  • Impregnation
Rating 6.3821 Users
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
Ikenai Kozukuri 4 ~Namaiki na Aneki ga Jitsu wa Ore no Semen ga Daisuki Datta!?~
25%
Tags
  • Rounin Protagonist
  • Brother/Sister Romance
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Older Heroines
Rating 6.8149 Users
Okaa-san ga Ippai!
Okaa-san ga Ippai!
25%
Tags
  • Short Sexual Scenes
  • Protagonist's Non-blood-related Mother as a Heroine
  • Actress Heroine
  • Martial Artist Heroine
  • Smoker Heroine
Rating 7.5351 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~
25%
Tags
  • Cosplay
  • Shota Protagonist
  • Straight Shotacon
  • Heroine with Swimsuits
  • Sex in Water
Rating 6.4822 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~
25%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • BDSM
  • Only Adult Heroines
Rating 6.6339 Users
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
25%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1544 Users
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
Kyonyuu de Ecchi na Onee-chan-tachi ga Boku no Chi*po o 24-jikan Hanashite Kurenai!
25%
Tags
  • Defloration During Common Route
  • Only Protagonist's Sisters as Heroine(s)
  • Long Sexual Scenes
  • Protagonist's Full Sister as a Heroine
  • Triple Boobjob
Rating 6.7035 Users
Oppai Igai ga Dame Sugiru Ane
Oppai Igai ga Dame Sugiru Ane
24%
Tags
  • Family Life Comedy
  • Non-twin Heroine Sisters
  • Oneesan-type Heroine
  • Alcoholism
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.1954 Users
Ojou-sama de Elite na Toshishita Joushi o Harami Ana ATM ni Shite Jinsei Koki Tsubusu Anraku Life
Ojou-sama de Elite na Toshishita Joushi o Harami Ana ATM ni Shite Jinsei Koki Tsubusu Anraku Life
23%
Tags
  • Protagonist's Boss as a Heroine
  • Consensual Erotic Humiliation
  • Office
  • Salaryman Protagonist
  • Pissing
Rating 5.9733 Users
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
Mamapuri!? ~Wagaya no Dousei Tsuushinbo~
23%
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 6.5634 Users
Ranbo ~Miboujin Haha no Ureta Nikutai~
Ranbo ~Miboujin Haha no Ureta Nikutai~
23%
Tags
  • Heroine with Inverted Nipples
  • Only Blood-related Heroines
  • Blood-related Mother/Son Incest
  • Protagonist with Children
  • Only Adult Heroines
Rating 6.6727 Users
Yakimochi-yaki na Imouto wa, Itsudemo Dokodemo Hatsujouchuu♥
Yakimochi-yaki na Imouto wa, Itsudemo Dokodemo Hatsujouchuu♥
23%
Tags
  • Jealousy
  • Flat Tints Only
  • Non-blood-related Brother/Sister Incest
  • Gyaru Heroine
  • Central Heroine
Rating 6.7625 Users
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
Ane ga Boku no Seieki Tsuki Pantsu o Haku Wake
23%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Clumsy Heroine
  • Perverted Protagonist
  • Siscon Protagonist
  • Cosplay
Rating 6.6722 Users
Milk Junkie 2
Milk Junkie 2
23%
Tags
  • Shimaidon Ending
  • Blood-related Sister/Sister Incest
  • Big Breast Sizes Heroine
  • Soapy Massage
  • Changeable Font
Rating 7.5924 Users
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
Binyuu Kiss Nee Rimi "Otouto no Kuse ni Sakarau Nante... Namaiki yo!"
22%
Tags
  • Oneesan-type Heroine
  • Blood-related Aunt/Nephew Incest
  • Incest Romance
  • Kissing Scene
  • Armpit Sex
Rating 7.3122 Users
G-Cup Sisters! ~Imouto Darake no Sakunyuu Gakuensai~
G-Cup Sisters! ~Imouto Darake no Sakunyuu Gakuensai~
22%
Tags
  • Adult Breast Feeding
  • Triple Boobjob
  • Brother/Sister Incest
  • Ejaculation Forewarner
  • Shimaidon Ending
Rating 7.0453 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~
22%
Tags
  • Shotacon Heroine
  • Shota Protagonist
  • Oneesan-type Heroine
  • Straight Shotacon
  • Naked Heroine with Apron
Rating 6.5921 Users

Nee ♥ Summer! ~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 (26 total)

NameScoreImportanceWeight
Cousin Incest2.832.015.69
Oneesan-type Heroine3.001.835.48
Protagonist's Cousin as a Heroine2.831.885.33
Only Protagonist's Relatives as Heroine(s)2.002.555.10
Cousin Romance2.002.394.78
Summer2.671.674.45
Childishly Violent Heroine2.002.184.36
Unrequited Love2.002.144.29
Heroine with Swimsuits2.001.643.29
Modern Day Japan2.401.323.18
Date Display2.001.503.00
Under the Same Roof2.331.272.96
Female Domination2.001.442.88
Only a Single Heroine2.671.022.73
Modern Tsundere Heroine1.501.762.65
Big Breast Sizes Heroine2.001.312.61
Sounds of Copulation2.001.292.58
Bathroom Sex2.001.192.38
Footjob1.251.882.35
Sex with Protagonist Only2.001.132.26
Boobjob1.251.321.65
Hetare Protagonist0.752.171.63
Sex in Public Places1.001.091.09
Nukige1.600.651.04
Male Protagonist2.400.300.73
ADV2.400.150.35

Traits (26 total)

NameCharactersImportanceWeight
Cousin Role21.872.06
Ane Act Role12.731.89
Capri Pants Clothes12.611.81
High Heeled Sandals Clothes12.291.58
Boobs on Glass Subject of (Sexual)12.151.49
Mutual Masturbation Engages in (Sexual)11.941.34
Younger Brother Role11.901.32
Yukata Clothes11.851.28
Footjob Engages in (Sexual)11.721.19
Garnet Eyes11.661.15
Vest Clothes11.521.06
Pendant Necklace Clothes11.521.06
Bikini Clothes11.461.01
Bathroom Sex Engages in (Sexual)11.390.96
Nipple Sucking Subject of (Sexual)11.380.96
Outdoor Sex Engages in (Sexual)11.160.80
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
Sidehair Hair10.980.68
Cowgirl Subject of (Sexual)10.950.66
Virgin Sex Engages in (Sexual)10.850.59
Waist Length+ Hair10.810.56
Black Hair10.810.56
Blowjob Engages in (Sexual)10.760.53