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Summary

Minase ── an isolated island due to its poor accessibility. However, the protagonist used to go there a lot in his childhood. After entering medical school, his parents were worried about him losing his edge due to the daily study schedule. They wanted to refresh him. The protagonist comes to the island again after being advised to visit his cousins during his summer vacation. He remembers his childhood with them, and being treated like a real family member. Suiren was beautiful when she was a child, and she was very kind and was like a real sister to him. Shion was like a tomboy little sister and used to follow him around. The protagonist wonders how the two of them have grown up. He can hear their voices afar from their house. Upon his arrival, he reunited with the two grown-up sisters. Suiren has become a gorgeous woman with a beautiful feminine body overflowing with tolerance and kindness. Shion, who has grown into a pretty girl, has a somewhat disgruntled look and only talks to the bare minimum necessary. An older sister who never changes and a younger sister who has changed. Feeling puzzled, as recommended by Suiren, who seems to have been waiting for the main character, the protagonist stay at their house for a while. How will he spend his time with them on the island under the summer sun? [From Getchu]

Saimin Datsujo 3 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Kurihara Shizuru Hen
Saimin Datsujo 3 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Kurihara Shizuru Hen
NAN%
Tags
  • Shimaidon
  • Heroine in Relationship with Other(s)
  • Erotic Mind Control
  • Blood-related Sister/Sister Incest
  • Teacher Heroine
Rating 6.9053 Users
Anetomo
Anetomo
NAN%
Tags
  • French Heroine
  • Protagonist's Senpai as a Heroine
  • Serious Protagonist
  • Writer Protagonist
  • Kneepit Sex
Rating 7.53115 Users
Dorei Himekishi to Dorei Jijo to no Slow Life
Dorei Himekishi to Dorei Jijo to no Slow Life
NAN%
Tags
  • Slave Heroine
  • Slavery
  • Protagonist as the Only Male
  • Sexual Slavery (Choukyou Variation)
  • Only Good Endings
Rating 7.26252 Users
Mononokei Kanojo ~Inkya Desu ga, Koishite Ii Desu ka?~
Mononokei Kanojo ~Inkya Desu ga, Koishite Ii Desu ka?~
NAN%
Tags
  • Yuki-onna Heroine
  • Kitsune Heroine
  • Highly Animated Sprites
  • Catgirl Heroine
  • Defloration During Common Route
Rating 7.4663 Users
Elf no Oyome-san ~Harem Kon Suishou~
Elf no Oyome-san ~Harem Kon Suishou~
NAN%
Tags
  • Quadruple+ Blowjob
  • Elf Heroine
  • Protagonist from a Different World
  • Fantasy
  • Sex in a Classroom
Rating 7.3471 Users
Soap Land no Hasshaku-sama
Soap Land no Hasshaku-sama
NAN%
Tags
  • Soapland
  • Ejaculation Forewarner
  • Driver Protagonist
  • Oneesan-type Heroine
  • Urban Legend
Rating 7.7480 Users
Natural Vacation
Natural Vacation
NAN%
Tags
  • Protagonist with Voiced Changeable Names
  • Fisherman Heroine
  • Clothed Boobjob
  • Highly Animated Sprites
  • Pillow Talk
Rating 7.4091 Users
Re CATION ~Melty Healing~
Re CATION ~Melty Healing~
NAN%
Tags
  • Protagonist with Voiced Changeable Names
  • Dormitory Manager Heroine
  • Save Memo Function
  • Spring
  • Sexual Roleplay
Rating 7.89131 Users
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
NAN%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Non-human Heroine
  • Incest Roleplay
  • Heroine with Children
Rating 8.50342 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
NAN%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
NAN%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Nursing Handjob
  • Siscon Protagonist
  • Love Hotel
  • Legwear Footjob
Rating 6.7152 Users
Nee Nee Nee
Nee Nee Nee
NAN%
Tags
  • Oneesan-type Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Only Older Heroines
  • Protagonist's Cousin as a Heroine
Rating 7.72142 Users
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Twin Buttjob
  • Protagonist's Non-blood-related Mother as a Heroine
  • Charming Protagonist
  • Protagonist's Older Sister as a Heroine
Rating 7.77271 Users
Role player: Tororo Shimai no Nenmaku Portrait - Gurigucha LIVE!
Role player: Tororo Shimai no Nenmaku Portrait - Gurigucha LIVE!
NAN%
Tags
  • Voice Saving
  • Non-twin Heroine Sisters
  • Sexual Cosplay
  • Nude Filter
  • Shimaidon Ending
Rating 7.88131 Users
Bubble de House de OOO ~Ofuro Maker no Showroom ga Sharehouse de...~
Bubble de House de OOO ~Ofuro Maker no Showroom ga Sharehouse de...~
NAN%
Tags
  • Share House
  • Twin Buttjob
  • Group (4+) Boobjob
  • Sex on a Roof
  • Nursing Handjob
Rating 7.3251 Users
Role player: Okayu Shimai no Nenmaku Portrait - Gurigucha LIVE!
Role player: Okayu Shimai no Nenmaku Portrait - Gurigucha LIVE!
NAN%
Tags
  • Resort
  • Mangaka Protagonist
  • Sexual Roleplay
  • Backlog Jump
  • Island
Rating 8.14279 Users
Sex Open World e Youkoso!
Sex Open World e Youkoso!
NAN%
Tags
  • Non-twin Heroine Sisters
  • Heroine with Baby Complex
  • Dancer Heroine
  • Protagonist from a Different World
  • Kitsune Heroine
Rating 7.44107 Users
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
NAN%
Tags
  • Mother/Son Romance
  • Voiced Default Name
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
  • Brother/Sister Romance
Rating 8.15408 Users
Saimin Datsujo 4 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Tennouji Karen Hen
Saimin Datsujo 4 ~Subete ga Boku no Jiyuu ni Naru Sekai e Youkoso~ Tennouji Karen Hen
NAN%
Tags
  • Erotic Mind Control
  • Idol Heroine
  • White Haired Heroine
  • Student Protagonist
  • Twin Tail Heroine
Rating 6.7841 Users
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
NAN%
Tags
  • Heroine in Relationship with Other(s)
  • Netori
  • Sex at Work
  • Bunnygirl Cosplay
  • Married Heroine
Rating 7.5084 Users
Muchimuchi Dakara Mukumuku Shita ~Osananajimi to no Sugoshikata~
Muchimuchi Dakara Mukumuku Shita ~Osananajimi to no Sugoshikata~
NAN%
Tags
  • Share House
  • Only Younger Heroines
  • Wet and Messy
  • Sex with Sleepers
  • Masturbation with Object
Rating 7.3067 Users
Yuunagi-sou no S-kyuu no Kanojo-tachi
Yuunagi-sou no S-kyuu no Kanojo-tachi
NAN%
Tags
  • Share House
  • Dormitory Manager Heroine
  • Writer Heroine
  • Braless Heroine
  • Unavoidable Harem Ending
Rating 7.4788 Users
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma 2 ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Icharabu Hame Seikatsu~
Mesu Ochi! Ore no Netori-bou de Midara ni Aegu Senpai & Kouhai Tsuma 2 ~Mucchiri Nikuatsu no Kyonyuu Tsuma-tachi to no Icharabu Hame Seikatsu~
NAN%
Tags
  • Co-worker Heroine
  • Protagonist's Boss as a Heroine
  • Masturbation with Object
  • Office Lady Heroine
  • Drunk Sex
Rating 7.5272 Users
Bunny
Bunny's Mama Daikou Service
NAN%
Tags
  • Only Older Heroines
  • Incest Roleplay
  • Shota Protagonist
  • Shotacon Heroine
  • Netori
Rating 8.18144 Users
Onee-chan no Yuuwaku
Onee-chan no Yuuwaku
38%
Tags
  • Secret Romance
  • Protagonist's Older Sister as a Heroine
  • Forbidden Love
  • Protagonist's Full Sister as a Heroine
  • Dirty Talk
Rating 7.34676 Users
Aa Mama ni Naru! ~Anata o Omotte Afureru Oppai~
Aa Mama ni Naru! ~Anata o Omotte Afureru Oppai~
35%
Tags
  • Incest Roleplay
  • Paraphilic Infantilism
  • Salaryman Protagonist
  • Protagonist's Boss as a Heroine
  • Office Lady Heroine
Rating 7.34135 Users
Role player: Tororo Shimai no Nenmaku Portrait - Gurigucha LIVE!
Role player: Tororo Shimai no Nenmaku Portrait - Gurigucha LIVE!
33%
Tags
  • Voice Saving
  • Non-twin Heroine Sisters
  • Sexual Cosplay
  • Nude Filter
  • Shimaidon Ending
Rating 7.88131 Users
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
Nee-chan no Susume ~Onee-chan no Itazura Seiseikatsu~
33%
Tags
  • Non-blood-related Mother/Son Incest
  • Twin Buttjob
  • Protagonist's Non-blood-related Mother as a Heroine
  • Charming Protagonist
  • Protagonist's Older Sister as a Heroine
Rating 7.77271 Users
Nee Nee Nee
Nee Nee Nee
32%
Tags
  • Oneesan-type Heroine
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Only Older Heroines
  • Protagonist's Cousin as a Heroine
Rating 7.72142 Users
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
Love Cafe ~Doutei na Ore demo, Kyonyuu Onna Senpai to Dousei Dekirutte Maji Desu ka?
31%
Tags
  • Poor Protagonist
  • Cafe
  • Bunnygirl Cosplay
  • Only Adult Heroines
  • Nursing Handjob
Rating 6.9921 Users
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
Ane wa Tsurezure Naru Mama ni ~Otouto no Ecchi na Osewa wa Ama-Ero JK Sisters ni Omakase!~
30%
Tags
  • Only Protagonist's Sisters as Heroine(s)
  • Nursing Handjob
  • Siscon Protagonist
  • Love Hotel
  • Legwear Footjob
Rating 6.7152 Users
Re CATION ~Melty Healing~
Re CATION ~Melty Healing~
30%
Tags
  • Protagonist with Voiced Changeable Names
  • Dormitory Manager Heroine
  • Save Memo Function
  • Spring
  • Sexual Roleplay
Rating 7.89131 Users
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
Mama×Holic ~Miwaku no Mama to Ama Ama Kankei~
30%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Non-human Heroine
  • Incest Roleplay
  • Heroine with Children
Rating 8.50342 Users
Role player: Okayu Shimai no Nenmaku Portrait - Gurigucha LIVE!
Role player: Okayu Shimai no Nenmaku Portrait - Gurigucha LIVE!
29%
Tags
  • Resort
  • Mangaka Protagonist
  • Sexual Roleplay
  • Backlog Jump
  • Island
Rating 8.14279 Users
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
Mamagoto ~Mama to Naisho no Ecchi Shimasho~
29%
Tags
  • Mother/Son Romance
  • Voiced Default Name
  • Forbidden Love
  • Protagonist's Blood-related Mother as a Heroine
  • Brother/Sister Romance
Rating 8.15408 Users
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
Mesu Tsumami ~Sewayaki Toshiue Tsuma to Majime na Tsuntsun Tsuma to no Aiyoku Seikatsu~
29%
Tags
  • Heroine in Relationship with Other(s)
  • Netori
  • Sex at Work
  • Bunnygirl Cosplay
  • Married Heroine
Rating 7.5084 Users
Yuunagi-sou no S-kyuu no Kanojo-tachi
Yuunagi-sou no S-kyuu no Kanojo-tachi
29%
Tags
  • Share House
  • Dormitory Manager Heroine
  • Writer Heroine
  • Braless Heroine
  • Unavoidable Harem Ending
Rating 7.4788 Users
Bunny
Bunny's Mama Daikou Service
29%
Tags
  • Only Older Heroines
  • Incest Roleplay
  • Shota Protagonist
  • Shotacon Heroine
  • Netori
Rating 8.18144 Users
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
Isekai Heat Massage ~Ken to Mahou no Sekai o H na Shiatsu Skill de Musou Seiatsu!!~
28%
Tags
  • Erotic Massage
  • Massage Therapist Protagonist
  • Maou Heroine
  • Thief Heroine
  • Onahole
Rating 7.1543 Users
Garudoma -Joshiryou no Kanrinin- After
Garudoma -Joshiryou no Kanrinin- After
28%
Tags
  • Twin Boobjob
  • Legwear Footjob
  • Single Footjob
  • Group Sex of One Male and Several Females
  • High School Student Heroine
Rating 6.7129 Users
Game (=Eroge) Mitai na, Suteki na Koi ga Shitai!
Game (=Eroge) Mitai na, Suteki na Koi ga Shitai!
28%
Tags
  • Production of Pornography (Professional)
  • Protagonist's Older Sister as a Heroine
  • Production of Pornography (Drawn)
  • Piss Drinking
  • Twin Buttjob
Rating 7.6479 Users
Homestay a la Mode
Homestay a la Mode
28%
Tags
  • Russian Heroine
  • American Heroine
  • Triple Boobjob
  • Pantyjob
  • Foreigner Heroine
Rating 7.5685 Users
Boku to Sensei no Nyuuin Seikatsu
Boku to Sensei no Nyuuin Seikatsu
27%
Tags
  • Medical Doctor Heroine
  • Pregnancy Good Ending
  • Wake-up Sex
  • Adult Breast Feeding
  • Reverse Missionary
Rating 7.5473 Users
Mama x Kano+ ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume mo Ecchi ni Nattara Dame Desu ka?~
Mama x Kano+ ~Oshiego no Okaa-san ga Ecchi na Sensei de, Musume mo Ecchi ni Nattara Dame Desu ka?~
27%
Tags
  • Oyakodon Ending
  • Sex with Protagonist Only
  • Rope Bondage
  • Naked Heroine with Apron
  • Threesome
Rating 7.6641 Users
Bosei Kanojo -Shikyuu Kikan Hen-
Bosei Kanojo -Shikyuu Kikan Hen-
27%
Tags
  • Ejaculation Forewarner
  • Office Lady Heroine
  • Pure Love Story
  • Nursing Handjob
  • Ejaculation Choice
Rating 7.3890 Users
Amaemi -longing for you-
Amaemi -longing for you-
27%
Tags
  • Artist Protagonist
  • Pure Love Story
  • Student-Teacher Romance
  • Teacher Protagonist
  • Pubic Hair Option
Rating 7.51130 Users
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
Love×Holic ~Miwaku no Otome to Hakudaku Kankei~
27%
Tags
  • Yuki-onna Heroine
  • Oni Heroine
  • Dragon Heroine
  • Vampire Heroine
  • Witch Heroine
Rating 7.90282 Users
Boku to Kanojo no Kojin Lesson
Boku to Kanojo no Kojin Lesson
26%
Tags
  • Only Older Heroines
  • Student-Teacher Romance
  • Pillow Talk
  • Has Window Transparency Setting
  • Only Adult Heroines
Rating 7.64102 Users

Suiren to Shion 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 (30 total)

NameScoreImportanceWeight
Protagonist with Voiced Changeable Names3.003.069.19
Shimaidon3.002.387.13
Cousin Romance2.832.396.76
Island3.001.945.83
Non-twin Heroine Sisters2.802.005.60
Cousin Incest2.752.015.53
Threesome Ending3.001.745.22
Oneesan-type Heroine2.751.835.03
Protagonist's Cousin as a Heroine2.671.885.03
Summer3.001.664.99
Track Display2.002.404.79
Armpit Sex2.002.004.00
Threesome2.501.604.00
Read Text Marking2.001.843.67
Sex with Protagonist Only3.001.133.38
Background Moans2.331.443.35
Heroine with Huge Breasts2.331.403.27
Early Sexual Content2.671.223.27
High Sexual Content3.001.053.15
Sounds of Copulation2.331.293.00
Adult Heroine2.251.132.55
Only Virgin Heroines2.331.082.52
High School Student Heroine2.500.852.11
Heroine with Big Breasts2.330.841.95
Nukige3.000.651.95
Defloration2.500.761.90
Nameable Protagonist1.800.911.64
Male Protagonist2.000.300.60
ADV2.330.140.34
2.000.000.00

Traits (73 total)

NameCharactersImportanceWeight
Cousin Role21.872.06
Pajamas Clothes21.751.92
Reverse Missionary Subject of (Sexual)21.741.91
Mobile Phone Items21.741.91
Geta Clothes12.721.89
Camera Items12.551.77
Naked Shirt Clothes12.511.74
Clothing with Ribbons Clothes21.581.73
Armpit Sex Engages in (Sexual)12.481.72
Sleeveless Sweater Clothes12.481.72
Full Sister Role21.561.72
Sex in Water Engages in (Sexual)21.561.72
Incest Engages in (Sexual)21.471.61
Seventh Posture Subject of (Sexual)21.461.61
Bikini Clothes21.461.60
Bathroom Sex Engages in (Sexual)21.391.52
Sex on Beach Engages in (Sexual)12.151.49
Off-The-Shoulder Shirt Clothes12.141.49
Bukkake Subject of (Sexual)21.351.48
Consensual Porn Acting Engages in (Sexual)12.091.45
Sex in a Vehicle Engages in (Sexual)12.031.41
Belt Clothes21.271.39
Mutual Masturbation Engages in (Sexual)11.941.34
Blue Hair21.191.31
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Butterfly Subject of (Sexual)21.171.29
Yukata Clothes11.851.28
Shirt Clothes21.161.27
Outdoor Sex Engages in (Sexual)21.161.27
Handjob Engages in (Sexual)21.161.27
Hair Flower Clothes11.771.23
Sport Bloomers Clothes11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Boobjob Engages in (Sexual)21.071.17
Vaginal Masturbation Engages in (Sexual)11.681.16
Reverse Cowgirl Subject of (Sexual)11.631.13
Kimono Clothes11.571.09
Older Sister Role11.561.08
Sidehair Hair20.981.07
Cowgirl Subject of (Sexual)20.951.05
Straight Hair20.941.04
Sailor School Uniform Clothes11.481.02
Younger Sister Role11.441.00
Tank Top Clothes11.410.98
Hair Tie Clothes11.410.97
Hairpin Clothes11.400.97
Blunt Bangs Hair11.400.97
Pleated Skirt Clothes11.390.97
Tsurime Eyes11.380.96
Nipple Sucking Subject of (Sexual)11.380.96
Female Ejaculation Engages in (Sexual)11.360.94
Virgin Sex Engages in (Sexual)20.850.93
Skirt Clothes11.340.93
T-shirt Clothes11.310.91
Blue Eyes20.800.88
Sex in Public Places Engages in (Sexual)11.260.87
Sixty-nine Engages in (Sexual)11.260.87
Blowjob Engages in (Sexual)20.760.84
Long Hair20.750.82
Standing Sex Subject of (Sexual)11.180.81
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Missionary Subject of (Sexual)11.120.77
Ponytail Hair11.100.76
Vaginal Fingering Subject of (Sexual)11.080.75
Miniskirt Clothes11.060.74
Sitting Sex Subject of (Sexual)11.060.74
Doggy Style Subject of (Sexual)10.920.64
Slim Body20.580.63
High School Student Role10.850.59
Young-adult Body10.760.53
Teen Body10.620.43
Pale Body20.370.40