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Summary

Pouty little sister, humor her into deep satisfaction by cumming up her tw*t! Ejaculate your love into her clenching hole while she drifts between perky and grouchy, finally spunking her into abnormal pregnancy! Poke her while making a baby during intercourse, but also erupt your sweet manjuice into her in copious other ways! [From English DLSite]

Hatsujou Exorcist! ~Harau to Hatsujou Suru Ojou-sama ni Tsukaetemasu.~
Hatsujou Exorcist! ~Harau to Hatsujou Suru Ojou-sama ni Tsukaetemasu.~
NAN%
Tags
  • Yuki-onna Heroine
  • Butler Protagonist
  • Dragon Heroine
  • Exorcism
  • Sex Under the Necessity
Rating 6.6432 Users
Shin Yarasete! Teacher
Shin Yarasete! Teacher
NAN%
Tags
  • Shimaidon
  • Oyakodon
  • Shota Protagonist
  • Non-twin Heroine Sisters
  • Principal Heroine
Rating 6.7337 Users
In
In'en ~Yamazato ni Midareru Taoyame~
NAN%
Tags
  • Countryside
  • Heroine with Kimono
  • Sickly Protagonist
  • Heroine with Inverted Nipples
  • Promiscuous Heroine
Rating 6.4528 Users
Gachi Otome Quintet
Gachi Otome Quintet
NAN%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Yarasete! Teacher
Yarasete! Teacher
NAN%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3331 Users
Mamono Musume to no Seikatsu ~Alraune no Baai~
Mamono Musume to no Seikatsu ~Alraune no Baai~
NAN%
Tags
  • Plant Heroine
  • Sex with Monster Girls
  • No "Keep Voice on Click" Option
  • Healer Protagonist
  • Widow(er) Protagonist
Rating 6.6545 Users
Josou de Haramasete
Josou de Haramasete
NAN%
Tags
  • Foolish Parent Support Character
  • Trap Protagonist
  • Male on Futanari
  • Blood-related Incest
  • Heroine with Spats
Rating 6.6827 Users
Yoyogi Hitozuma Senmon Gakuin ~Nyuuzuma-tachi no Ennui~
Yoyogi Hitozuma Senmon Gakuin ~Nyuuzuma-tachi no Ennui~
NAN%
Tags
  • Announcer Heroine
  • Protagonist's Sister-in-Law as a Heroine
  • Nurse Heroine
  • Family Life Comedy
  • American Heroine
Rating 7.0825 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
NAN%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
NAN%
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
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
NAN%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Student Club Member Protagonist
  • Triple Boobjob
Rating 7.1023 Users
Katei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~
Katei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~
NAN%
Tags
  • Twin Footjob
  • Oneesan-type Heroine
  • Heroine with Eye Covering Hairstyle
  • Heroine with Shorts
  • Only Older Heroines
Rating 7.5066 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
NAN%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
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~
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
Juku Chichi ~Mama no Karada wa Boku Sen
Juku Chichi ~Mama no Karada wa Boku Sen'you
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Rounin Protagonist
  • Only Blood-related Heroines
  • Only Older Heroines
  • Naked Heroine with Apron
Rating 6.5338 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 6.1452 Users
Imouto Smile
Imouto Smile
NAN%
Tags
  • Mangaka Heroine
  • Scenario Selection
  • Homemaker Protagonist
  • Imouto-type Heroine
  • Siscon Protagonist
Rating 6.7622 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
NAN%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Vanish! ~Oppai no Kieta Oukoku~
Vanish! ~Oppai no Kieta Oukoku~
NAN%
Tags
  • Heroine with Flat Chest (Non-Loli)
  • Mages Association
  • Fictional World
  • Princess Heroine
  • Genius Heroine
Rating 6.5325 Users
Daisounan
Daisounan
NAN%
Tags
  • Turn-Based Strategy
  • Extraterrestrial
  • Fairy Heroine
  • SRPG
  • Future
Rating 6.9732 Users
Little Hole ~Ore no Musume ga Konna ni ... na Hazu ga Nai
Little Hole ~Ore no Musume ga Konna ni ... na Hazu ga Nai
NAN%
Tags
  • Ojicon
  • Protagonist's Non-blood-related Daughter as a Heroine
  • Non-blood-related Father/Daughter Incest
  • Reverse Netorare
  • Discreet Sex
Rating 5.5243 Users
Yarasete! Teacher ~Gakuen Ryokou~
Yarasete! Teacher ~Gakuen Ryokou~
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Amusement Park
  • School Nurse Heroine
  • Onsen
Rating 6.1545 Users
Otoko no Ko Gakuen! ~3nin no Otoko no Ko-tachi to no Unmei no Deai, Soshite Boku-tachi wa Koi ni Ochiru!~
Otoko no Ko Gakuen! ~3nin no Otoko no Ko-tachi to no Unmei no Deai, Soshite Boku-tachi wa Koi ni Ochiru!~
23%
Tags
  • Only Trap Heroines
  • Trap on Male
  • Trap Heroine
  • Student Hero
  • Male on Male Sex
Rating 6.2621 Users
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
Boku no Maman Sagashi ~Mama o Tazunetara... 8nin no Kyonyuu Tsuma Deshita~
20%
Tags
  • More Than Seven Heroines
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Consensual Group Sex of One Female and Several Males
  • Prostitute Heroine
Rating 6.4931 Users
Katei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~
Katei Kyoushi no Onee-san ~H no Hensachi Agechaimasu~
20%
Tags
  • Twin Footjob
  • Oneesan-type Heroine
  • Heroine with Eye Covering Hairstyle
  • Heroine with Shorts
  • Only Older Heroines
Rating 7.5066 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
20%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Student Club Member Protagonist
  • Triple Boobjob
Rating 7.1023 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
Yoyogi Hitozuma Senmon Gakuin ~Nyuuzuma-tachi no Ennui~
Yoyogi Hitozuma Senmon Gakuin ~Nyuuzuma-tachi no Ennui~
19%
Tags
  • Announcer Heroine
  • Protagonist's Sister-in-Law as a Heroine
  • Nurse Heroine
  • Family Life Comedy
  • American Heroine
Rating 7.0825 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
19%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Josou de Haramasete
Josou de Haramasete
19%
Tags
  • Foolish Parent Support Character
  • Trap Protagonist
  • Male on Futanari
  • Blood-related Incest
  • Heroine with Spats
Rating 6.6827 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~
17%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Widow Heroine
  • BDSM
  • Only Adult Heroines
Rating 6.6339 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♪~
17%
Tags
  • Kitsune Heroine
  • Goddess Heroine
  • Pregnancy Good Ending
  • Single Ending
  • Under the Same Roof
Rating 6.1452 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
17%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Daisounan
Daisounan
16%
Tags
  • Turn-Based Strategy
  • Extraterrestrial
  • Fairy Heroine
  • SRPG
  • Future
Rating 6.9732 Users
Yarasete! Teacher ~Gakuen Ryokou~
Yarasete! Teacher ~Gakuen Ryokou~
16%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Amusement Park
  • School Nurse Heroine
  • Onsen
Rating 6.1545 Users
Shin Yagai Gakushuu ~Nudist Camp Hen~
Shin Yagai Gakushuu ~Nudist Camp Hen~
16%
Tags
  • Elementary School
  • Elementary School Student Protagonist
  • Summer Camp
  • Shotacon
  • Straight Lolicon
Rating 6.3029 Users
Kasshoku Anameito ~Momojirikko o Otose♪~
Kasshoku Anameito ~Momojirikko o Otose♪~
16%
Tags
  • Single Character Multiple Defloration
  • Heroine with Erotic Adhesive Bandage
  • Ass To Mouth
  • Gokkun
  • Mad Scientist Support Character
Rating 7.1365 Users
Hapitora -Happy Transportation-
Hapitora -Happy Transportation-
16%
Tags
  • Clumsy Heroine
  • Co-worker Heroine
  • Fictional Island Near Futuristic Japan
  • Homemaker Protagonist
  • Donkan Protagonist
Rating 7.0125 Users
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
Natsu Ecchi 2 ~Futago to Inaka no Natsuyasumi~
16%
Tags
  • Blood-related Uncle/Niece Incest
  • Unnamed Protagonist
  • Protagonist's Niece as a Heroine
  • Oppai Loli Heroine
  • Sister/Sister Incest
Rating 5.4828 Users
Shojo Mama
Shojo Mama
16%
Tags
  • Non-blood-related Mother/Son Incest
  • Futanari on Male
  • Clumsy Heroine
  • Domicile
  • Cross-dressing
Rating 6.2420 Users
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
Natsuiro Sagittarius Gaiden Ayato-kyun no Otoko no Ko Nikki
16%
Tags
  • Seme Protagonist
  • Only Trap Heroines
  • Trap Support Character
  • Trap Heroine
  • Archery Club
Rating 6.8733 Users
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
Lovecha ~Tsumasakidachi de, Hitomi o Tojite~
16%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Only Loli Heroines
  • Student-Teacher Romance
  • Armpit Licking
Rating 6.2225 Users
Boy Meets Wives
Boy Meets Wives
16%
Tags
  • Middle School Student Protagonist
  • Infidelity
  • Completion Status Indicator
  • Heroine with Children
  • Short Sexual Scenes
Rating 6.7527 Users
Summer☆Camp
Summer☆Camp
16%
Tags
  • Shotacon Heroine
  • Summer Camp
  • Popular Protagonist
  • Promiscuity
  • Heroine with Swimsuits
Rating 6.0931 Users
Pure x Lover -Ane to Osananajimi to H na Kankei-
Pure x Lover -Ane to Osananajimi to H na Kankei-
16%
Tags
  • Quadruple+ Blowjob
  • Urethral Intercourse
  • Reverse Piledriver
  • Sadist Heroine
  • Blood-related Mother/Daughter Incest
Rating 6.6229 Users

Tsundere Imouto wa Haramase Kibou no Hatsujouki!? ~Sekinin Totte Naka ni Dashite yo ne! Hentai Onii!~ 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.

Traits (41 total)

NameCharactersImportanceWeight
Martial Arts Engages in32.243.11
Keikogi Clothes22.622.88
Modern Tsundere Personality12.431.68
Non-blood-related Mother Role12.371.65
Non-blood-related Brother Role12.371.65
Non-blood-related Sister Role12.171.50
Possessive Personality12.131.47
Old Type School Swimsuit Clothes12.091.45
Hazel Eyes12.041.41
Emotional Personality12.021.40
Shirt Clothes21.161.27
Older Brother Role11.731.20
Sport Bloomers Clothes11.721.19
Stubborn Personality11.681.16
Spoons Subject of (Sexual)11.671.16
Small Breasts Body11.671.15
Relaxed Personality11.641.13
Pink Eyes11.621.12
University Student Role11.591.10
Mole Body11.591.10
Teasing Engages in11.451.00
Younger Sister Role11.441.00
Hair Tie Clothes11.410.97
Tsurime Eyes11.380.96
Not Sexually Involved Engages in (Sexual)11.360.94
White Hair11.330.92
Red Hair11.320.92
Trousers Clothes11.190.83
Twin Tails Hair11.130.78
Thigh-high Stockings Clothes11.040.72
Teen Body20.620.68
High School Student Role10.850.59
Waist Length+ Hair10.810.56
Black Hair10.810.56
Young-adult Body10.760.53
Blowjob Engages in (Sexual)10.760.53
Long Hair10.750.52
School Uniform Clothes10.750.52
Pale Body30.370.51
Short Hair10.610.42
Slim Body10.580.40