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Summary

The protagonist, Shirakawa Keita, lives alone with his older sister Orie, who just started her training as a teacher in Keita's school. They get along so well that his schoolmates believe they are married and thus shares the same surname, much to the jealousy of the male students. One day, he received an unlabeled DVD from an unknown sender. As he played the said DVD, he saw his dear sister servicing someone's dick. At first, he thought it was her boyfriend, but soon he realized that she was being threatened to do it. The video showed her getting violated by different men, before it stopped. He thought about talking to his sister about it, but he didn't have the courage. Instead, he decided to try and find the culprits alone by looking for clues in the video and searching around the school, but he failed. He then continued to receive similar DVDs of his sister on a regular basis...

Yarasete! Teacher
Yarasete! Teacher
NAN%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3331 Users
Kimi no Mana wa Rina Witch
Kimi no Mana wa Rina Witch
NAN%
Tags
  • Magic School
  • Heroine with Bodystocking
  • Sex Under the Necessity
  • Track Display
  • Mahou Shoujo Heroine
Rating 6.9222 Users
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
NAN%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Voyeurism
  • Shotacon
  • Discreet Phone Sex
Rating 6.8824 Users
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
NAN%
Tags
  • Rounin Protagonist
  • Onsen
  • Consensual Group Sex of One Female and Several Males
  • Tribadism on Penis
  • Soapy Massage
Rating 6.9720 Users
Liquid Crossover ~Chidori to Koruri no Saimin Gyaku Jugyou~
Liquid Crossover ~Chidori to Koruri no Saimin Gyaku Jugyou~
NAN%
Tags
  • Elementary School Student Heroine
  • Succubus Heroine
  • Only Loli Heroines
  • Protagonist's Non-blood-related Sister as a Heroine
  • Teacher Protagonist
Rating 6.0221 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8922 Users
Futotta Otoko ga Shoujo ni Hanashikakeru Jian Hassei
Futotta Otoko ga Shoujo ni Hanashikakeru Jian Hassei
NAN%
Tags
  • Flat Tints Only
  • Highly Animated Sprites
  • Kidnapping
  • Lolicon
  • Deepthroat
Rating 6.5822 Users
Mashou no Nie 2
Mashou no Nie 2
NAN%
Tags
  • Princess Heroine
  • Fantasy
  • Rape
  • Double Penetration (Group Sex)
  • Vaginal + Anal Tentacle Penetration
Rating 6.4023 Users
Momojiri Taiiku Onna Kyoushi
Momojiri Taiiku Onna Kyoushi
NAN%
Tags
  • Heroine with Tights
  • P.E. Teacher Heroine
  • Braless Heroine
  • Unavoidable Heroine Rape by the Protagonist
  • Lots of Event CGs
Rating 6.2020 Users
Ijikuri Mama
Ijikuri Mama
NAN%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7740 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
NAN%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8521 Users
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
NAN%
Tags
  • Body Food
  • Clothed Male Naked Female
  • Rape with Blackmail
  • Sexual Devices
  • Production of Pornography (Amateur)
Rating 6.3412 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
Love Fetish ~Tekoki Hen~
Love Fetish ~Tekoki Hen~
NAN%
Tags
  • Flat Tints Only
  • High Sexual Content
  • Modern Day
  • Tsundere Heroine
  • Perverted Heroine
Rating 6.7722 Users
Demiparadoxia ∞ Hookerstic - Nanka Hen
Demiparadoxia ∞ Hookerstic - Nanka Hen
NAN%
Tags
  • Prostitute Heroine
  • Pubic Hair Option
  • Hotel
  • Customization
  • Sex Involving Prostitution
Rating 6.2228 Users
Chikan Ou ~In
Chikan Ou ~In'yoku no Kaihousha~
NAN%
Tags
  • Chikan Protagonist
  • Chikan
  • Glory Hole Sex
  • Molestation on Public Transport
  • Discreet Sex
Rating 6.0021 Users
Parallel Akiba Gakuen
Parallel Akiba Gakuen
NAN%
Tags
  • Defloration During Common Route
  • Threesome
  • Nursing Handjob
  • Single Buttjob
  • Mage Heroine
Rating 7.3413 Users
Yome no Ane ga Kyonyuu Sugite Gaman Dekinai ~Nee-san ga Konna ni Erokatta Nante!
Yome no Ane ga Kyonyuu Sugite Gaman Dekinai ~Nee-san ga Konna ni Erokatta Nante!
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Remote-controlled Vibrator
  • Discreet Phone Sex
  • Soapy Massage
  • Hidden Vibrator
Rating 6.1116 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
NAN%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Imouto Ninshin
Imouto Ninshin
NAN%
Tags
  • Inbreeding
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Impregnation
Rating 5.5522 Users
Stopping!!! 10 Honoo no Athlete Hen
Stopping!!! 10 Honoo no Athlete Hen
NAN%
Tags
  • Time Stop
  • Ugly Protagonist
  • Chubby Protagonist
  • Unavoidable Rape
  • Rapist Protagonist
Rating 5.9424 Users
Nantai Prima Onna Kyoushi
Nantai Prima Onna Kyoushi
NAN%
Tags
  • Bisexual Heroine
  • Autocunnilingus
  • Big Breast Sizes Heroine
  • Sexual Devices
  • Sex in a Classroom
Rating 6.5922 Users
Tsunagaranai Keitai Denwa -Tadaima Hoka no Otoko to Mechamecha Sex Chuu-
Tsunagaranai Keitai Denwa -Tadaima Hoka no Otoko to Mechamecha Sex Chuu-
NAN%
Tags
  • Protagonist's Fiancee as a Heroine
  • Netorare
  • Clothed Female Naked Male
  • Salaryman Protagonist
  • Netorare Type A
Rating 6.8134 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
NAN%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users
Doki! Namaiki Idol Kairaku Ochi Special! ~Nakadashi Jiyuu, Makura mo Aru yo~
Doki! Namaiki Idol Kairaku Ochi Special! ~Nakadashi Jiyuu, Makura mo Aru yo~
47%
Tags
  • Idol Heroine
  • Rape with Blackmail
  • Manager Protagonist
  • Sex at Work
  • Onsen
Rating 5.9020 Users
Ruri no Ie -Domination Game-
Ruri no Ie -Domination Game-
40%
Tags
  • Duct Tape Bondage
  • Heroine Sisters
  • Cthulhu Mythos
  • Trampling
  • Spy Heroine
Rating 6.6036 Users
Love Fetish ~Tekoki Hen~
Love Fetish ~Tekoki Hen~
37%
Tags
  • Flat Tints Only
  • High Sexual Content
  • Modern Day
  • Tsundere Heroine
  • Perverted Heroine
Rating 6.7722 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~
37%
Tags
  • Production of Pornography (Professional)
  • Unavoidable Netorare
  • Only Adult Heroines
  • Married Heroine
  • Protagonist in Relationship
Rating 6.3322 Users
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
Aniyome Chijoku no Time Sale ~Otto ni wa Ienai, Himitsu no Part~
37%
Tags
  • Body Food
  • Clothed Male Naked Female
  • Rape with Blackmail
  • Sexual Devices
  • Production of Pornography (Amateur)
Rating 6.3412 Users
Ijikuri Mama
Ijikuri Mama
36%
Tags
  • Fake Choices
  • Shotacon
  • Disabled Protagonist
  • Blood-related Mother/Son Incest
  • Straight Shotacon
Rating 5.7740 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
35%
Tags
  • American Heroine
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
Rating 5.8521 Users
Mashou no Nie 2
Mashou no Nie 2
35%
Tags
  • Princess Heroine
  • Fantasy
  • Rape
  • Double Penetration (Group Sex)
  • Vaginal + Anal Tentacle Penetration
Rating 6.4023 Users
Momojiri Taiiku Onna Kyoushi
Momojiri Taiiku Onna Kyoushi
34%
Tags
  • Heroine with Tights
  • P.E. Teacher Heroine
  • Braless Heroine
  • Unavoidable Heroine Rape by the Protagonist
  • Lots of Event CGs
Rating 6.2020 Users
Chikan Ou ~In
Chikan Ou ~In'yoku no Kaihousha~
33%
Tags
  • Chikan Protagonist
  • Chikan
  • Glory Hole Sex
  • Molestation on Public Transport
  • Discreet Sex
Rating 6.0021 Users
Yome no Ane ga Kyonyuu Sugite Gaman Dekinai ~Nee-san ga Konna ni Erokatta Nante!
Yome no Ane ga Kyonyuu Sugite Gaman Dekinai ~Nee-san ga Konna ni Erokatta Nante!
32%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Remote-controlled Vibrator
  • Discreet Phone Sex
  • Soapy Massage
  • Hidden Vibrator
Rating 6.1116 Users
Imouto Ninshin
Imouto Ninshin
31%
Tags
  • Inbreeding
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
  • Only Younger Heroines
  • Impregnation
Rating 5.5522 Users
Nantai Prima Onna Kyoushi
Nantai Prima Onna Kyoushi
31%
Tags
  • Bisexual Heroine
  • Autocunnilingus
  • Big Breast Sizes Heroine
  • Sexual Devices
  • Sex in a Classroom
Rating 6.5922 Users
Mama Shibori 3 no Jijou
Mama Shibori 3 no Jijou
31%
Tags
  • Swinging
  • Only Older Heroines
  • Straight Shotacon
  • Shota Protagonist
  • Illness
Rating 6.6952 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
31%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Gokuin no Sentou
Gokuin no Sentou
31%
Tags
  • Businesswoman Heroine
  • Fortune-teller Heroine
  • Completely Avoidable Heroine Rape
  • Confinement
  • Blood-related Incest
Rating 6.4350 Users
Shiawase na Ohime-sama ~Engage wa Kozukuri no Tame ni~
Shiawase na Ohime-sama ~Engage wa Kozukuri no Tame ni~
31%
Tags
  • Palace
  • Princess Heroine
  • Royal Heroine
  • Royal Protagonist
  • Triple Boobjob
Rating 7.3511 Users
Okaa-san no Ama Ama Time ~Issho ni Yoru no Kenshuu Massage~
Okaa-san no Ama Ama Time ~Issho ni Yoru no Kenshuu Massage~
31%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Spoons
  • Anal Fingering
  • Single Handjob
Rating 5.8918 Users
Osananajimi o Ushinatta Natsu...
Osananajimi o Ushinatta Natsu...
30%
Tags
  • Rape by Possession
  • Delinquent Hero
  • Summer
  • Netorare
  • Vaginal + Anal Tentacle Penetration
Rating 6.6025 Users
Eden
Eden's Ritter - Chapter 2 Gaiden - Rengoku no Maou Barberit Hen
30%
Tags
  • Monster Rape
  • Tentacle Rape
  • Sex With Monsters
  • Lactation During Sex
  • Sexual Content
Rating 7.3323 Users
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
Douryou no Oku-san ~Netori Tsuma, Netorare Tsuma~
29%
Tags
  • Netori
  • Clothed Male Naked Female
  • Love Hotel
  • Wake-up Sex
  • Sex in a Vehicle
Rating 7.0626 Users
Ai Shimai ~Futari no Kajitsu~
Ai Shimai ~Futari no Kajitsu~
29%
Tags
  • Blood-related Sister/Sister Incest
  • Non-twin Heroine Sisters
  • Rape with Blackmail
  • Rapist Protagonist
  • Sexual Slavery
Rating 6.5322 Users
Shinjin 22-sai no Onee-chan AV Debut!! Shinonome Miki - Nee-chan, Dondake Sex Daisuki Nanda yo...
Shinjin 22-sai no Onee-chan AV Debut!! Shinonome Miki - Nee-chan, Dondake Sex Daisuki Nanda yo...
29%
Tags
  • Protagonist's Older Sister as a Heroine
  • Consumption of Pornography
  • Production of Pornography (Professional)
  • Protagonist's Full Sister as a Heroine
  • Glasses Option
Rating 6.6932 Users
Onee-chan Hunters! Boku-tachi o Koufun Saseru Onee-chan ga Waruinda! Tokonatsu Beach Hen
Onee-chan Hunters! Boku-tachi o Koufun Saseru Onee-chan ga Waruinda! Tokonatsu Beach Hen
29%
Tags
  • Obacon
  • Lifeguard Heroine
  • Rape by Shota
  • Beach
  • Sex on a Beach
Rating 6.5633 Users

Anedori ~Ochiteiku Onee-chan o Tasukerarenai Boku~ 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
Protagonist's Sister as a Heroine3.002.096.26
Netorare Type B3.002.066.18
Only Bad Endings3.001.955.84
Defloration by Others2.002.134.27
Only Blood-related Heroines2.002.104.21
Only Older Heroines2.002.104.19
Only Protagonist's Sisters as Heroine(s)2.001.993.98
Sexual Slavery (Choukyou Variation)2.001.883.76
Production of Pornography (Amateur)2.001.643.27
Brocon Heroine2.001.613.23
High School2.501.223.04
Teacher Heroine2.001.362.73
Sex in Public Places2.501.092.72
Only a Single Heroine2.501.022.55
Group Sex of One Female and Several Males2.331.082.51
Gang Rape1.671.492.48
High School Student Protagonist2.001.212.42
Body Writing1.251.742.18
Only Virgin Heroines2.001.082.17
Multiple Penetration1.671.272.13
High Sexual Content2.001.052.10
Bukkake1.671.202.01
Anal Penetration1.501.321.97
Nukige3.000.651.95
Rape with Blackmail1.001.781.78
Hidden Vibrator1.001.691.69
Blowjob1.501.111.67
Urination Fetish1.001.661.66
Bondage1.501.111.66
Petplay1.001.631.63
Doggy Style2.000.801.61
Fingering1.001.521.52
Netorare1.001.511.51
Handjob1.001.501.50
Masturbation1.001.491.49
Double Penetration (Group Sex)1.001.451.45
Pissing1.001.441.44
Twin Blowjob1.001.291.29
Cowgirl1.500.841.26
Standing Sex1.001.061.06
Multiple Endings1.500.671.00
Outdoor Sex1.001.001.00
Male Protagonist2.000.300.61
Boobjob0.331.320.44
ADV2.500.150.36
2.000.000.00

Traits (66 total)

NameCharactersImportanceWeight
Comfort Sex Engages in (Sexual)13.292.28
Public Use (Choukyou or Non-Consensual) Subject of (Sexual)12.601.80
Forced Public Nudity Subject of (Sexual)12.521.75
Spreader Bar Subject of (Sexual)12.471.71
Casual Sex Engages in (Sexual)12.451.70
Blowbang Engages in (Sexual)12.441.69
Turndown Subject of12.391.66
Non-consensual Porn Acting Subject of (Sexual)12.381.65
Netori (their SO is stolen) Subject of12.261.57
Public Masturbation Engages in (Sexual)12.211.53
Pissing Subject of (Sexual)12.181.51
Body Writing Subject of (Sexual)12.171.51
Claret Hair12.151.49
Blackmail Subject of12.121.47
Hidden Vibrator Subject of (Sexual)12.121.47
Netorare (they are the stolen SO) Subject of12.121.47
Petplay Subject of (Sexual)12.101.46
Consensual Porn Acting Engages in (Sexual)12.101.45
Brother Complex Personality12.061.43
Mindbreak Subject of (Sexual)12.031.41
Sex with Others Engages in (Sexual)11.991.38
Sexual Slavery (Choukyou Variation) Subject of (Sexual)11.991.38
Sexual Corruption Subject of11.971.36
Erotic Spanking Subject of (Sexual)11.961.36
Clumsy Personality11.931.34
Masturbation in front of an Audience Engages in (Sexual)11.901.32
Younger Brother Role11.901.32
Gang Rape Subject of (Sexual)11.891.31
Double Handjob Engages in (Sexual)11.891.31
Cardigan Clothes11.871.30
Multiple Penetration Subject of (Sexual)11.861.29
Spit-roast Subject of (Sexual)11.751.21
Collar Clothes11.661.15
Double Penetration (Group Sex) Subject of (Sexual)11.651.14
Sex in Classroom Engages in (Sexual)11.611.11
Bondage Sex Subject of (Sexual)11.571.09
Full Sister Role11.571.09
Rape Subject of (Sexual)11.561.08
Older Sister Role11.561.08
Teacher Role11.551.08
Pendant Necklace Clothes11.521.06
Group Sex Engages in (Sexual)11.501.04
Pissing Engages in (Sexual)11.461.02
V Bangs Hair11.410.98
Nipple Sucking Subject of (Sexual)11.380.96
Female Ejaculation Engages in (Sexual)11.370.95
Wavy Hair11.360.94
Bukkake Subject of (Sexual)11.350.93
Ahoge Hair11.320.91
Sex in Public Places Engages in (Sexual)11.260.87
Watashi Personality11.260.87
Parted in Middle Hair11.250.87
Anal Sex Subject of (Sexual)11.190.82
Standing Sex Subject of (Sexual)11.180.82
Butterfly Subject of (Sexual)11.170.81
Outdoor Sex Engages in (Sexual)11.160.80
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Sidehair Hair10.980.68
Cowgirl Subject of (Sexual)10.950.66
Virgin Sex Engages in (Sexual)10.850.59
Blue Eyes10.800.56
Young-adult Body10.760.53
Long Hair10.750.52
Slim Body10.580.40
Pale Body10.370.26