Summary

Main character's sister finally returns home after long hospitalization, but at the same time parents go overseas leaving children to live alone. Sister asks to check on her classmate at night classroom, and protagonist witness classmate having sex there. Sister meets brother with red eyes and cries that she feels lonely. Peaceful school life changes dramatically since this day. [From vndbreview]

Nanairo Kouro
Nanairo Kouro
NAN%
Tags
  • Ship
  • Goddess Heroine
  • Orphan Heroine
  • High School
  • Princess Heroine
Rating 6.5429 Users
Bakunyuu Reijou x Kimo-o Hentai Yome-ka Keikaku ~Keppeki Cool Kaichou ga Saikasou no Kusa Kimo Seishi Chuudoku ni!~
Bakunyuu Reijou x Kimo-o Hentai Yome-ka Keikaku ~Keppeki Cool Kaichou ga Saikasou no Kusa Kimo Seishi Chuudoku ni!~
NAN%
Tags
  • Ugly Protagonist
  • Heroine with Slave Tattoo (BDSM)
  • Consensual Erotic Humiliation
  • Heroine with Crotchless Clothing
  • Vaginal Gaping
Rating 6.0526 Users
Yokoshima!! Pandemic
Yokoshima!! Pandemic
NAN%
Tags
  • The Seven School Mysteries
  • Reverse Trap Heroine
  • Kitsune Heroine
  • Miko Heroine
  • Heroine with Small Breasts (Non-Loli)
Rating 6.9120 Users
Trouble @ Spiral!
Trouble @ Spiral!
NAN%
Tags
  • Foolish Protagonist
  • Armpit Sex
  • Yandere Heroine
  • Cafe
  • Twin Boobjob
Rating 7.0723 Users
Orange Memories
Orange Memories
NAN%
Tags
  • Shopkeeper Heroine
  • Foolish Friend
  • Reunion
  • Yamato Nadeshiko Heroine
  • Twin Handjob
Rating 6.9327 Users
Nuki Doki! ~Tenshi to Akuma no Sakusei Battle~
Nuki Doki! ~Tenshi to Akuma no Sakusei Battle~
NAN%
Tags
  • Protagonist's Rival as a Heroine
  • Heroine with Wings
  • Angel Heroine
  • Tsukkomi Protagonist
  • Demon Heroine
Rating 6.6834 Users
Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~
Oppai Heart ~Kanojo wa Kedamono Hatsujouki!?~
NAN%
Tags
  • Student Council Member Heroine
  • Sex Under the Necessity
  • Breast Expansion
  • Tsukkomi Protagonist
  • Cheerleader Heroine
Rating 7.0988 Users
Mob Saimin
Mob Saimin
NAN%
Tags
  • Erotic Mind Control
  • Netori
  • Mind Control
  • High School Student Protagonist
  • Bad Endings with Story
Rating 7.0234 Users
Saimin Seikatsu ~Kousoku Dakara Shikatanai!?~
Saimin Seikatsu ~Kousoku Dakara Shikatanai!?~
NAN%
Tags
  • Erotic Mind Control
  • Ponytail Heroine
  • Arrogant Heroine
  • School Life Comedy
  • Energetic Heroine
Rating 6.4538 Users
Derivara! -Deliverance of Strays-
Derivara! -Deliverance of Strays-
NAN%
Tags
  • Gynophobic/Androphobic Protagonist
  • Heroine with Small Breasts (Non-Loli)
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Idol Heroine
Rating 6.8223 Users
Canvas 3 ~Hakugin no Portrait~
Canvas 3 ~Hakugin no Portrait~
NAN%
Tags
  • Painter Protagonist
  • No "Keep Voice on Click" Option
  • Drama
  • Modern Day
  • Genius Heroine
Rating 6.3639 Users
Saimin Gakuen
Saimin Gakuen
NAN%
Tags
  • Modern Day Earth
  • Wedding
  • Villainous Protagonist
  • Mind Control
  • Protagonist with Glasses
Rating 7.0431 Users
Mainichi Kedamono!! Love Ero☆Momoiro☆School Life♪
Mainichi Kedamono!! Love Ero☆Momoiro☆School Life♪
NAN%
Tags
  • Bunnygirl Cosplay
  • Sexual Cosplay
  • Mutual Masturbation
  • Heroine with Small Breasts (Non-Loli)
  • Comedy
Rating 6.7226 Users
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
NAN%
Tags
  • Oneesan-type Heroine
  • Twin Boobjob
  • Harem Ending
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
Rating 6.5522 Users
Oppai Gakuen Marching Band Bu! ~Hatsujou Hamedori Katsudou Nisshi~
Oppai Gakuen Marching Band Bu! ~Hatsujou Hamedori Katsudou Nisshi~
NAN%
Tags
  • Group (4+) Boobjob
  • Student Club Member Heroine
  • Photographer Protagonist
  • Only Good Endings
  • Sprite Viewer
Rating 7.1359 Users
Haruiro Ouse
Haruiro Ouse
NAN%
Tags
  • Spring
  • Naizuri
  • Heroine with Flat Chest (Non-Loli)
  • Love Triangle
  • Transfer Student Heroine
Rating 6.9528 Users
Anata no Koto o Suki to Iwasete
Anata no Koto o Suki to Iwasete
NAN%
Tags
  • Delusional Heroine
  • Kendo Club
  • Onna Bugeisha Heroine
  • Foolish Parent Support Character
  • Genius Protagonist
Rating 6.9082 Users
Gonin!? ~Pitari to Tekichuu! Kyousei Uranai♪~
Gonin!? ~Pitari to Tekichuu! Kyousei Uranai♪~
NAN%
Tags
  • Erotic Mind Control
  • Triple Footjob
  • Sex at Work
  • Clothed Male Naked Female
  • Group Sex of Several Females
Rating 7.3039 Users
Saimin Ryoujoku Gakuen
Saimin Ryoujoku Gakuen
NAN%
Tags
  • Student Club
  • Triple Handjob
  • Erotic Mind Control
  • Protagonist with Glasses
  • Perverted Protagonist
Rating 7.1050 Users
Saimin Arbeit ~Ten
Saimin Arbeit ~Ten'in Gyaru ni Tenchou Meirei wa Zettai Dakara~
NAN%
Tags
  • Only Avoidable Heroine Having Sex with Others
  • Manager Protagonist
  • Erotic Mind Control
  • Mind Control
  • Co-worker Heroine
Rating 5.6745 Users
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
  • Lesbian Heroine
  • Music Recollection
  • High School Student Heroine
  • Protagonist with a Sprite
Rating 6.9257 Users
Taiyou no Promia Flowering Days
Taiyou no Promia Flowering Days
NAN%
Tags
  • Beach
  • Resort
  • Protagonist's Girlfriend as a Heroine
  • Librarian Heroine
  • Leader Heroine
Rating 7.0621 Users
Joushi no Tsuma to Buka no Tsuma
Joushi no Tsuma to Buka no Tsuma
NAN%
Tags
  • Netori
  • Infidelity
  • Only Adult Heroines
  • Married Heroine
  • Harem Ending
Rating 6.4922 Users
Gadget
Gadget
NAN%
Tags
  • Student Club
  • Family
  • Passage of Time
  • Genius Heroine
  • Mother Support Character
Rating 7.6321 Users
Riajuu Saimin ~Real ga Juujitsu Suru Saimin Seikatsu Hajimemashita.~
Riajuu Saimin ~Real ga Juujitsu Suru Saimin Seikatsu Hajimemashita.~
42%
Tags
  • Erotic Mind Control
  • Twin Footjob
  • Popular Protagonist
  • Class President Heroine
  • Triple Blowjob
Rating 7.0346 Users
Zutto Tsukushite Ageru no!
Zutto Tsukushite Ageru no!
42%
Tags
  • Siscon Support Character
  • Slapstick
  • Student Council Member Protagonist
  • Group of Friends
  • Fictional Modern Day Japanese Countryside
Rating 6.7722 Users
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
42%
Tags
  • Oneesan-type Heroine
  • Twin Boobjob
  • Harem Ending
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
Rating 6.5522 Users
Mainichi Kedamono!! Love Ero☆Momoiro☆School Life♪
Mainichi Kedamono!! Love Ero☆Momoiro☆School Life♪
39%
Tags
  • Bunnygirl Cosplay
  • Sexual Cosplay
  • Mutual Masturbation
  • Heroine with Small Breasts (Non-Loli)
  • Comedy
Rating 6.7226 Users
Saimin Gakuen
Saimin Gakuen
38%
Tags
  • Modern Day Earth
  • Wedding
  • Villainous Protagonist
  • Mind Control
  • Protagonist with Glasses
Rating 7.0431 Users
Derivara! -Deliverance of Strays-
Derivara! -Deliverance of Strays-
37%
Tags
  • Gynophobic/Androphobic Protagonist
  • Heroine with Small Breasts (Non-Loli)
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Idol Heroine
Rating 6.8223 Users
Canvas 3 ~Hakugin no Portrait~
Canvas 3 ~Hakugin no Portrait~
37%
Tags
  • Painter Protagonist
  • No "Keep Voice on Click" Option
  • Drama
  • Modern Day
  • Genius Heroine
Rating 6.3639 Users
Mob Saimin
Mob Saimin
36%
Tags
  • Erotic Mind Control
  • Netori
  • Mind Control
  • High School Student Protagonist
  • Bad Endings with Story
Rating 7.0234 Users
Saimin Seikatsu ~Kousoku Dakara Shikatanai!?~
Saimin Seikatsu ~Kousoku Dakara Shikatanai!?~
34%
Tags
  • Erotic Mind Control
  • Ponytail Heroine
  • Arrogant Heroine
  • School Life Comedy
  • Energetic Heroine
Rating 6.4538 Users
Haruiro Ouse
Haruiro Ouse
34%
Tags
  • Spring
  • Naizuri
  • Heroine with Flat Chest (Non-Loli)
  • Love Triangle
  • Transfer Student Heroine
Rating 6.9528 Users
Gonin!? ~Pitari to Tekichuu! Kyousei Uranai♪~
Gonin!? ~Pitari to Tekichuu! Kyousei Uranai♪~
33%
Tags
  • Erotic Mind Control
  • Triple Footjob
  • Sex at Work
  • Clothed Male Naked Female
  • Group Sex of Several Females
Rating 7.3039 Users
Saimin Arbeit ~Ten
Saimin Arbeit ~Ten'in Gyaru ni Tenchou Meirei wa Zettai Dakara~
33%
Tags
  • Only Avoidable Heroine Having Sex with Others
  • Manager Protagonist
  • Erotic Mind Control
  • Mind Control
  • Co-worker Heroine
Rating 5.6745 Users
Taiyou no Promia Flowering Days
Taiyou no Promia Flowering Days
32%
Tags
  • Beach
  • Resort
  • Protagonist's Girlfriend as a Heroine
  • Librarian Heroine
  • Leader Heroine
Rating 7.0621 Users
Gadget
Gadget
31%
Tags
  • Student Club
  • Family
  • Passage of Time
  • Genius Heroine
  • Mother Support Character
Rating 7.6321 Users
Chou Saiminjutsu Gakuen
Chou Saiminjutsu Gakuen
31%
Tags
  • Nude Filter
  • Discipline Committee Member Heroine
  • Erotic Mind Control
  • Mind Control
  • More Than Seven Heroines
Rating 6.8036 Users
Saimin Gakuen 2-nensei
Saimin Gakuen 2-nensei
31%
Tags
  • All-girls School
  • Gokkun
  • Erotic Mind Control
  • Teacher Protagonist
  • Protagonist with Glasses
Rating 6.9442 Users
Reijou Seisui Gakuen "Nande Anata no Mae de Oshousui o Dasanai to Ikenai no yo!"
Reijou Seisui Gakuen "Nande Anata no Mae de Oshousui o Dasanai to Ikenai no yo!"
31%
Tags
  • Chuunibyou Heroine
  • Urination Fetish
  • Pantyjob
  • All-girls School
  • Single Buttjob
Rating 6.5024 Users
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
Chu Shite Agechau ~Oshikake Onee-san no Seikou Chiryou~
31%
Tags
  • Illness
  • Medical Doctor Heroine
  • Triple Blowjob
  • Group Sex of Several Females
  • Footjob
Rating 6.9439 Users
Oyako Saimin
Oyako Saimin
30%
Tags
  • Oyakodon Ending
  • Anthology
  • Erotic Mind Control
  • Mother/Daughter Incest
  • Non-blood-related Incest
Rating 6.4043 Users
Kioku Soushitsu no Okaa-san
Kioku Soushitsu no Okaa-san
30%
Tags
  • Unbeknown Incest
  • No "Keep Voice on Click" Option
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
Rating 6.2942 Users
Hatsukoi Yohou.
Hatsukoi Yohou.
30%
Tags
  • Clumsy Heroine
  • Winter
  • Otaku Heroine
  • Orphan Protagonist
  • Shy Heroine
Rating 6.8625 Users
Saimin Torotoro Operation ~Innai Bikyonyuu Hokan Keikaku~
Saimin Torotoro Operation ~Innai Bikyonyuu Hokan Keikaku~
30%
Tags
  • Hospital
  • Erotic Mind Control
  • Mind Control
  • Medical Doctor Protagonist
  • Bunnygirl Cosplay
Rating 6.7039 Users
Boku no Hitozuma Onee-san ~M na Hitozuma x S na Miboujin~
Boku no Hitozuma Onee-san ~M na Hitozuma x S na Miboujin~
30%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Sister/Sister Incest
  • Heroine with Garter Belt
  • Widow Heroine
Rating 6.8920 Users
Nadeshiko Drip
Nadeshiko Drip
30%
Tags
  • Heroine with Kimono
  • Shimaidon with Twins
  • Waiting Staff Protagonist
  • Cousin Romance
  • Homecoming
Rating 6.6828 Users

Hitomi no Rakuin ~Inbaku no Mesu Dorei~ 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 (12 total)

NameScoreImportanceWeight
School Nurse Heroine2.002.244.47
Protagonist's Sister as a Heroine2.002.114.21
Classic Tsundere Heroine2.001.723.44
Intercrural Sex2.001.352.70
Sex with Protagonist Only2.001.132.27
Nameable Protagonist2.000.911.82
High School Student Heroine2.000.851.70
Heroine with Big Breasts2.000.841.68
Defloration2.000.771.53
Nukige2.000.651.31
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (72 total)

NameCharactersImportanceWeight
Intake Hair51.693.02
Twin Blowjob Engages in (Sexual)41.452.33
Knee-high Socks Clothes31.391.93
Reverse Missionary Subject of (Sexual)21.741.91
Standing Sex Subject of (Sexual)41.171.89
Sport Bloomers Clothes21.721.89
Basketball Engages in12.531.75
Quickie Fix Subject of (Sexual)41.081.74
Spreader Bar Subject of (Sexual)12.481.72
Cowgirl Subject of (Sexual)50.951.71
School Nurse Role12.471.71
Sex at School Engages in (Sexual)21.541.69
Pinafore Dress Clothes12.341.62
Seventh Posture Subject of (Sexual)21.471.61
Group Sex of One Male and Several Females Engages in (Sexual)31.161.60
Outdoor Sex Engages in (Sexual)31.161.60
Missionary Subject of (Sexual)31.121.55
Big Breasts Body31.101.52
Vaginal Fingering Subject of (Sexual)31.081.49
Doggy Style Subject of (Sexual)40.921.49
Boobjob Engages in (Sexual)31.071.49
Shimapan Clothes12.141.49
Illness Subject of12.131.47
T-shirt Clothes21.311.44
Transfer Student Role12.031.41
Turtleneck Shirt Clothes11.971.37
Piledriver Subject of (Sexual)11.941.34
Ribbon Hair Tie Clothes21.201.32
Butterfly Subject of (Sexual)21.171.29
Intercrural Sex Engages in (Sexual)11.831.27
Lab Coat Clothes11.791.24
Deepthroat Engages in (Sexual)11.791.24
School Uniform Clothes40.771.23
Blowjob Engages in (Sexual)40.761.23
Pajamas Clothes11.751.21
Older Brother Role11.731.20
High School Student Role30.861.20
Teal Eyes11.721.19
Coat Clothes11.701.18
Sitting Sex Subject of (Sexual)21.061.17
Miniskirt Clothes21.061.17
Garter Belt Stockings Clothes11.621.12
Vaginal Fingering Engages in (Sexual)11.611.12
Big Breast Sizes Body11.611.11
Bondage Sex Subject of (Sexual)11.591.10
Sex in Water Engages in (Sexual)11.561.08
Incest Engages in (Sexual)11.471.02
Younger Sister Role11.451.00
Earrings Clothes11.420.98
Cooking Engages in11.420.98
Masturbation Engages in (Sexual)11.400.97
Grey Hair11.380.96
Tominagi Subject of (Sexual)11.350.94
Bukkake Subject of (Sexual)11.350.94
Ahoge Hair11.330.92
Waist Length+ Hair20.820.90
Blue Eyes20.800.88
Sixty-nine Engages in (Sexual)11.260.88
Violet Hair11.200.83
Red Eyes11.200.83
Blue Hair11.200.83
Long Hair20.750.82
Cunnilingus Subject of (Sexual)11.160.80
Ponytail Hair11.100.76
Brown Hair20.690.75
Glasses Clothes11.090.75
Violet Eyes11.050.73
Thigh-high Stockings Clothes11.050.73
Sidehair Hair10.980.68
Shoulder-length Hair10.920.64
Blond Hair10.890.62
Virgin Sex Engages in (Sexual)10.850.59