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Summary

The thing is that he has two sisters who love him far not like just sisters, and the modest student constantly becomes the witness of their erotic tricks. And if only they showed their feelings to him just in home, but they keep on doing it if they have a chance, which is causing some troubles, too. It's also should be mentioned that the whole situation makes Sora an object of the brutal jealousy from his classmates and his strong reputation as a pervert was stuck in the classmates' minds. So, where sisters' attempts to seduce their own brother will take them? [From Steam]

Pink Rage
Pink Rage
NAN%
Tags
  • Mute Hero
  • Bunnyboy Hero
  • Werewolf Hero
  • Hero with Heterochromia
  • Tsundere Protagonist
Rating 4.5315 Users
Frequent Flyer: A Long Distance Love Story
Frequent Flyer: A Long Distance Love Story
NAN%
Tags
  • Girl x Girl Romance Only
  • Non-Japanese Voice Acting
  • Female Protagonist
  • Lesbian Sex
Rating 5.0012 Users
Never Forget Me
Never Forget Me
NAN%
Tags
  • Protagonist's Husband as a Hero
  • Hero(ine) Selection
  • Optional Gameplay
  • Difficulty Settings
  • Writer Protagonist
Rating 5.3816 Users
Captain Firebeard and the Bay of Crows
Captain Firebeard and the Bay of Crows
NAN%
Tags
  • Pirates
  • Non-Japanese Voice Acting
Rating 0.004 Users
Christmas Tale
Christmas Tale
NAN%
Tags
  • The Holiday Season
  • Winter
  • Photographic Backgrounds
  • Multiple Endings
  • No Sexual Content
Rating 0.004 Users
Blind Love
Blind Love
NAN%
Tags
  • Blind Protagonist
  • Nameable Pet(s)
  • No Character Sprites
  • Writer Protagonist
  • Homosexual Support Character
Rating 6.3918 Users
Yuxiang
Yuxiang
NAN%
Tags
  • Dystopia
  • Enforced Playing Order
  • Non-Japanese Voice Acting
  • Romance
Rating 6.4039 Users
Bezmolvnyj dom
Bezmolvnyj dom
NAN%
Tags
  • Haunted House
  • Graphic Violence
  • Bloody Scenes
  • Female Protagonist
  • Multiple Endings
Rating 4.6626 Users
Yueye Xia de Hongcha Bei
Yueye Xia de Hongcha Bei
NAN%
Tags
  • Touhou
  • Girl x Girl Romance Only
  • Female Protagonist
  • No Sexual Content
  • ADV
Rating 4.9024 Users
Leaflet Love Story
Leaflet Love Story
NAN%
Tags
  • University Student Heroine
  • University Student Protagonist
  • Non-Japanese Voice Acting
  • Bad Endings with Story
  • Bad Ending(s)
Rating 5.7030 Users
Luminescence
Luminescence
NAN%
Tags
  • Urban Legend
  • School
  • High School Student Protagonist
  • High School Student Heroine
  • No Sexual Content
Rating 4.8514 Users
The Necklace of Blood
The Necklace of Blood
NAN%
Tags
  • No tags found!
Rating 0.002 Users
Truth: Disorder II
Truth: Disorder II
NAN%
Tags
  • Virtual Reality
  • Space
  • Spelling Errors
  • Map Movement
  • Side Portraits
Rating 0.003 Users
Truth: Disorder
Truth: Disorder
NAN%
Tags
  • Hikikomori Protagonist
  • Sickly Protagonist
  • Nightmare
  • Bookworm Protagonist
  • Slice of Life
Rating 3.849 Users
Valentine Panic!
Valentine Panic!
NAN%
Tags
  • Valentine's Day
  • Concentration (Game)
  • Baker Hero
  • Waiter Hero
  • Baker Heroine
Rating 5.3718 Users
Maj
Maj
NAN%
Tags
  • Dying Hero
  • Utsuge
  • Homosexual Male Protagonist
  • Boy x Boy Romance
  • Hospital
Rating 0.004 Users
Libra of the Vampire Princess: Lycoris & Aoi in "The Promise" PLUS Iris in "Homeworld"
Libra of the Vampire Princess: Lycoris & Aoi in "The Promise" PLUS Iris in "Homeworld"
NAN%
Tags
  • Childishly Violent Protagonist
  • Vampire Hunter Protagonist
  • Dual Wielding Daggers
  • Vampire Hunter Heroine
  • Fighting Protagonist
Rating 6.4051 Users
Kitsune Kitchen
Kitsune Kitchen
NAN%
Tags
  • Food Discussions
  • Talking Object
  • Cook Protagonist
  • Anthropomorphized Inanimate Object
  • Modern Day United States of America
Rating 5.8710 Users
My Personal Angel
My Personal Angel
NAN%
Tags
  • No tags found!
Rating 5.089 Users
Norilsk
Norilsk
NAN%
Tags
  • Bisexual Protagonist
  • Only Good Endings
  • Choices with 4 or More Options
  • Both Male and Female Love Interests
  • University Student Protagonist
Rating 4.7710 Users
Nüzhuang Shaonian & Duanfa Mei
Nüzhuang Shaonian & Duanfa Mei
NAN%
Tags
  • Trap Protagonist
  • Protagonist with Partial Voice Acting
  • Unnamed Protagonist
  • Unlockable Gallery
  • Varied Title Screens
Rating 6.0316 Users
Mahoutsukai no Mita Yume
Mahoutsukai no Mita Yume
NAN%
Tags
  • Magic
  • NVL
  • Protagonist with a Face
  • No Sexual Content
  • Male Protagonist
Rating 5.776 Users
Densha Girl
Densha Girl
NAN%
Tags
  • Delinquent Protagonist
  • Yuri Game Jam
  • Trains
  • Gamer Protagonist
  • Lesbian Sex Only
Rating 4.4728 Users
Instinct
Instinct
NAN%
Tags
  • Kemonomimi Protagonist
  • Co-worker Hero
  • Protagonist's Boss as a Heroine
  • Cats
  • Both Male and Female Love Interests
Rating 4.7429 Users

Onii-Chan has not yet been read by enough users to calculate it's similar novels... sorry!
A novel needs atleast 20 votes before it's similarity is calculated.

The Agency: Chapter 2
The Agency: Chapter 2
22%
Tags
  • Non-Japanese Voice Acting
  • No Sexual Content
Rating 55.1%0.04% Users
Christmas Tale
Christmas Tale
21%
Tags
  • The Holiday Season
  • Winter
  • Photographic Backgrounds
  • Multiple Endings
  • No Sexual Content
Rating 36.9%0.06% Users
Truth: Disorder
Truth: Disorder
21%
Tags
  • Hikikomori Protagonist
  • Sickly Protagonist
  • Nightmare
  • Bookworm Protagonist
  • Slice of Life
Rating 46.5%0.03% Users
Truth: Disorder II
Truth: Disorder II
20%
Tags
  • Virtual Reality
  • Space
  • Spelling Errors
  • Map Movement
  • Side Portraits
Rating 32.6%0.02% Users
The Necklace of Blood
The Necklace of Blood
19%
Tags
  • No tags found!
Rating 53.3%0.02% Users
Leaflet Love Story
Leaflet Love Story
18%
Tags
  • University Student Heroine
  • University Student Protagonist
  • Non-Japanese Voice Acting
  • Bad Endings with Story
  • Bad Ending(s)
Rating 85.4%0.03% Users
Luminescence
Luminescence
18%
Tags
  • Urban Legend
  • School
  • High School Student Protagonist
  • High School Student Heroine
  • No Sexual Content
Rating 61.0%0.03% Users
Bezmolvnyj dom
Bezmolvnyj dom
18%
Tags
  • Haunted House
  • Graphic Violence
  • Bloody Scenes
  • Female Protagonist
  • Multiple Endings
Rating 67.7%0.04% Users
Yueye Xia de Hongcha Bei
Yueye Xia de Hongcha Bei
18%
Tags
  • Touhou
  • Girl x Girl Romance Only
  • Female Protagonist
  • No Sexual Content
  • ADV
Rating 86.9%0.07% Users
Maj
Maj
18%
Tags
  • Dying Hero
  • Utsuge
  • Homosexual Male Protagonist
  • Boy x Boy Romance
  • Hospital
Rating 72.8%0.02% Users
Kitsune Kitchen
Kitsune Kitchen
17%
Tags
  • Food Discussions
  • Talking Object
  • Cook Protagonist
  • Anthropomorphized Inanimate Object
  • Modern Day United States of America
Rating 70.4%0.11% Users
Norilsk
Norilsk
17%
Tags
  • Bisexual Protagonist
  • Only Good Endings
  • Choices with 4 or More Options
  • Both Male and Female Love Interests
  • University Student Protagonist
Rating 41.0%0.05% Users
Mahoutsukai no Mita Yume
Mahoutsukai no Mita Yume
17%
Tags
  • Magic
  • NVL
  • Protagonist with a Face
  • No Sexual Content
  • Male Protagonist
Rating 53.3%0.03% Users
Instinct
Instinct
16%
Tags
  • Kemonomimi Protagonist
  • Co-worker Hero
  • Protagonist's Boss as a Heroine
  • Cats
  • Both Male and Female Love Interests
Rating 71.3%0.04% Users
The Ghost of Joe Papp
The Ghost of Joe Papp
15%
Tags
  • Theater
  • Protagonist Selection
  • Protagonist Gender Choice
  • Female Protagonist
  • Male Protagonist
Rating 50.0%0.10% Users
Alexa
Alexa's Wild Night
15%
Tags
  • Short Common Route
  • Ponytail Protagonist
  • Unlockable Prologue
  • Promiscuous Heroine
  • Early Branching Plot
Rating 69.4%0.09% Users
Wojdan
Wojdan
15%
Tags
  • Sister Support Character
  • Child Protagonist
  • Achievements
  • Father Support Character
  • Male Protagonist
Rating 76.2%0.01% Users
My Nigerian Prince
My Nigerian Prince
15%
Tags
  • Internet
  • Gamer Protagonist
  • Protagonist with a Sprite
  • Colored Name-tags
  • Protagonist with a Face
Rating 69.2%0.04% Users
Memento of Spring
Memento of Spring
15%
Tags
  • Kemonomimi
  • Spring
  • Slice of Life Comedy
  • Medieval Fantasy
  • Magic
Rating 77.9%0.03% Users
Tell a Demon
Tell a Demon
15%
Tags
  • Both Male and Female Love Interests
  • Demon Protagonist
  • Past Setting in a Fictional World
  • Demon Heroine
  • Multiple Protagonists
Rating 79.8%0.04% Users
Dong 73: Yang Hongse Tonghua
Dong 73: Yang Hongse Tonghua
15%
Tags
  • No tags found!
Rating 83.3%0.03% Users
Unmoor
Unmoor
15%
Tags
  • Pirates
  • Ship
  • Proactive Protagonist
  • Bad Endings with Story
  • Colored Name-tags
Rating 70.3%0.02% Users
Jake
Jake's Love Story
14%
Tags
  • Group of Friends
  • Parody
  • Slice of Life
  • Modern Day
  • Ending List
Rating 76.5%0.14% Users
Would you like to run an idol café?
Would you like to run an idol café?
14%
Tags
  • Co-worker Heroine
  • Fortune-teller Heroine
  • Waitress Heroine
  • Cafe
  • Nekomimi Heroine
Rating 70.3%0.03% Users

Tags (15 total)

NameScoreImportanceWeight
Heroine with Sport Bloomers3.002.096.26
Heroine with Ahoge3.001.675.02
Heroine with Swimsuits3.001.644.93
Oppai Loli Heroine2.002.204.40
Heroine with Visible Panties2.002.104.20
Heroine with Zettai Ryouiki3.001.394.18
Perverted Protagonist2.501.654.12
Sexual Innuendo2.001.933.86
Heroine with Tights2.001.853.70
Heroine with Beauty Mark2.001.803.60
Kinetic Novel3.001.073.20
Loli Heroine2.001.192.38
Twin Tail Heroine2.001.172.35
Male Protagonist3.000.300.90
ADV3.000.140.43

Traits (0 total)