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Summary

The main character lives with his three younger sisters, Haruna, Nano and Nonomi. They don't care about him, so they often walk around the house without clothes or come into bathroom while he is bathing. He is confused by their demeanors and suddenly starts having a dream of a girl who taunts him without notice. One day, the girl in his dream - whose name is Nerisu - suddenly appears. According to her, she is a princess of the devil world and he is a prince. This means he is the one who will take over the throne. He soon finds out that his three sisters are aware that they are actually descendants of a magician. There is only one way to stop him taking over the throne: If one of three sisters gets pregnant with his baby, he won't have the need to do so. The sisters soon curse him to not to be able to ejaculate without them. A fierce battle for him and his babies now breaks out... [From ErogeShop]

Maternity Monsters! ~Usamimi Iinchou to Kiyoku Tadashii Nikutai Kankei!~
Maternity Monsters! ~Usamimi Iinchou to Kiyoku Tadashii Nikutai Kankei!~
NAN%
Tags
  • Sex with Monster Girls
  • School Nurse Support Character
  • Rabbitgirl Heroine
  • Class President Heroine
  • Succubus Heroine
Rating 6.5621 Users
Toppatsusei Milk Musume Chika "Mou, Papa no Sei de Ippai Dechauu!"
Toppatsusei Milk Musume Chika "Mou, Papa no Sei de Ippai Dechauu!"
NAN%
Tags
  • Protagonist's Blood-related Daughter as a Heroine
  • Timed Choices
  • Blood-related Father/Daughter Incest
  • Breast Expansion
  • Fathercon Heroine
Rating 6.9453 Users
Tsukikagerou
Tsukikagerou
NAN%
Tags
  • Taishou Era
  • Past
  • Shinto Shrine
  • Mischievous Protagonist
  • Nightmare
Rating 7.2223 Users
Gokudou no Hanayome
Gokudou no Hanayome
NAN%
Tags
  • Yakuza Heroine
  • Yakuza
  • Spontaneous Power-ups
  • Arranged Marriage
  • Homemaker Protagonist
Rating 6.9438 Users
Tamahaji! -Tamatama Hajikeru Imouto-tachi-
Tamahaji! -Tamatama Hajikeru Imouto-tachi-
NAN%
Tags
  • Brother/Sister Romance
  • Protagonist's Full Sister as a Heroine
  • Twin Buttjob
  • Homecoming
  • Forbidden Love
Rating 7.1546 Users
Medorei ~Okasareta Houkago~
Medorei ~Okasareta Houkago~
NAN%
Tags
  • Cheerleader Heroine
  • Sexual Slavery (Choukyou Variation)
  • Brother/Sister Incest
  • Censored Text
  • Trap Support Character
Rating 6.1621 Users
Kaminoyu
Kaminoyu
NAN%
Tags
  • Monster Support Character
  • Onsen
  • Sex with Monster Girls
  • Immortal Heroine
  • Kitsune Heroine
Rating 6.9943 Users
Witch
Witch's Slave ~Watashi no Ashi o Oname~
NAN%
Tags
  • Slave Protagonist
  • Energy Transfer via Sex
  • Homunculus Heroine
  • Witch Heroine
  • Group Sex with Clones
Rating 6.2420 Users
Ainsworth no Mamono-tachi
Ainsworth no Mamono-tachi
NAN%
Tags
  • Christian Church
  • Zombie Heroine
  • Western-style Manor
  • Monster Girl Heroine
  • Family Life Comedy
Rating 6.9132 Users
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
NAN%
Tags
  • Transfer Student Heroine
  • Kemonomimi Support Character
  • Twin Footjob
  • Cock and Ball Torture
  • Kitsune Heroine
Rating 6.8422 Users
Sorafune
Sorafune
NAN%
Tags
  • Genius Support Character
  • AI Heroine
  • Spaceship
  • Unique Routes
  • Politics
Rating 6.8920 Users
Zettai ★ Imouto Genri Shugi!!
Zettai ★ Imouto Genri Shugi!!
NAN%
Tags
  • Chuunibyou Heroine
  • Naizuri
  • Heroine with Gothic Look
  • Yandere Heroine
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.9257 Users
Usodere!
Usodere!
NAN%
Tags
  • Pretending Heroine
  • Orphan Protagonist
  • Wealthy Protagonist
  • Pragmatic Heroine
  • All-girls School
Rating 6.6848 Users
Yamitsuki!
Yamitsuki!
NAN%
Tags
  • Jealousy
  • Yakuza Heroine
  • Feminization
  • Yandere Heroine
  • Heroine with Multiple Personalities
Rating 7.1043 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
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
Love Lab ~Choukyou Nante Kyoumi no Nakatta Ore to Kanojo no Houkago SM Laboratory~
Love Lab ~Choukyou Nante Kyoumi no Nakatta Ore to Kanojo no Houkago SM Laboratory~
NAN%
Tags
  • Sexual Slavery (Consensual)
  • Janitor Protagonist
  • Fully Consensual BDSM Only
  • Gauge Display
  • Sexual Scenes with Gameplay
Rating 7.1956 Users
Crayon Tulip ~Chidori to Koruri no Yuuwaku Jugyou~
Crayon Tulip ~Chidori to Koruri no Yuuwaku Jugyou~
NAN%
Tags
  • Elementary School Student Heroine
  • Sex Involving Children
  • Protagonist's Younger Sister as a Heroine
  • Twin Sisters as Heroines
  • Non-blood-related Brother/Sister Incest
Rating 6.4532 Users
Uhou Renka "Sensei. Watashi, Mou Otona Da yo............"
Uhou Renka "Sensei. Watashi, Mou Otona Da yo............"
NAN%
Tags
  • Long Sexual Scenes
  • Excessive Semen
  • Sexual Slavery (Consensual)
  • Heroine with Spats
  • Ejaculation Forewarner
Rating 7.3544 Users
Knight Carnival!
Knight Carnival!
NAN%
Tags
  • British Mythology
  • Heroine Based on a Fictional Person
  • Knight Heroine
  • Heroine with Armor
  • Deity Protagonist
Rating 6.6521 Users
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
Sailor Fuku Shinryou Tsumaka ~Naisho no Ecchi na Counseling~
NAN%
Tags
  • Widow Heroine
  • Protagonist's Blood-related Mother as a Heroine
  • Mother/Son Romance
  • Blood-related Mother/Son Incest
  • Netori
Rating 6.8960 Users
Primary ~Magical★Trouble★Scramble~
Primary ~Magical★Trouble★Scramble~
NAN%
Tags
  • Magic School
  • Blind Heroine
  • Mahou Shoujo Heroine
  • Twin Sisters as Heroines
  • Fighting Protagonist
Rating 6.8940 Users
Santaful☆Summer
Santaful☆Summer
NAN%
Tags
  • Elementary School Student Heroine
  • Boke Heroine
  • Only Younger Heroines
  • Heroine with a Sundress
  • Sex Involving Children
Rating 7.2555 Users
Oshirikko Venus
Oshirikko Venus
NAN%
Tags
  • Panchira
  • Brief Third-person Narrative Sections
  • Tsukkomi Protagonist
  • Long Sexual Scenes
  • Pragmatic Heroine
Rating 7.0743 Users
Zettai ★ Imouto Shijou Shugi!!
Zettai ★ Imouto Shijou Shugi!!
65%
Tags
  • Kneepit Sex
  • Hetare Protagonist
  • Pantyjob
  • Siscon Protagonist
  • Tribadism on Penis
Rating 6.4424 Users
Osananajimi wa Bed Yakuza!
Osananajimi wa Bed Yakuza!
48%
Tags
  • Childhood Promise
  • Trap Heroine
  • Pegging
  • Male on Trap
  • Twin Footjob
Rating 6.4137 Users
Yamitsuki!
Yamitsuki!
45%
Tags
  • Jealousy
  • Yakuza Heroine
  • Feminization
  • Yandere Heroine
  • Heroine with Multiple Personalities
Rating 7.1043 Users
Usodere!
Usodere!
44%
Tags
  • Pretending Heroine
  • Orphan Protagonist
  • Wealthy Protagonist
  • Pragmatic Heroine
  • All-girls School
Rating 6.6848 Users
Zettai ★ Imouto Genri Shugi!!
Zettai ★ Imouto Genri Shugi!!
43%
Tags
  • Chuunibyou Heroine
  • Naizuri
  • Heroine with Gothic Look
  • Yandere Heroine
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.9257 Users
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
34%
Tags
  • Transfer Student Heroine
  • Kemonomimi Support Character
  • Twin Footjob
  • Cock and Ball Torture
  • Kitsune Heroine
Rating 6.8422 Users
Sorafune
Sorafune
30%
Tags
  • Genius Support Character
  • AI Heroine
  • Spaceship
  • Unique Routes
  • Politics
Rating 6.8920 Users
Witch
Witch's Slave ~Watashi no Ashi o Oname~
30%
Tags
  • Slave Protagonist
  • Energy Transfer via Sex
  • Homunculus Heroine
  • Witch Heroine
  • Group Sex with Clones
Rating 6.2420 Users
Ainsworth no Mamono-tachi
Ainsworth no Mamono-tachi
28%
Tags
  • Christian Church
  • Zombie Heroine
  • Western-style Manor
  • Monster Girl Heroine
  • Family Life Comedy
Rating 6.9132 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
27%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
Rating 6.4822 Users
Crayon Tulip ~Chidori to Koruri no Yuuwaku Jugyou~
Crayon Tulip ~Chidori to Koruri no Yuuwaku Jugyou~
26%
Tags
  • Elementary School Student Heroine
  • Sex Involving Children
  • Protagonist's Younger Sister as a Heroine
  • Twin Sisters as Heroines
  • Non-blood-related Brother/Sister Incest
Rating 6.4532 Users
Knight Carnival!
Knight Carnival!
25%
Tags
  • British Mythology
  • Heroine Based on a Fictional Person
  • Knight Heroine
  • Heroine with Armor
  • Deity Protagonist
Rating 6.6521 Users
Primary ~Magical★Trouble★Scramble~
Primary ~Magical★Trouble★Scramble~
24%
Tags
  • Magic School
  • Blind Heroine
  • Mahou Shoujo Heroine
  • Twin Sisters as Heroines
  • Fighting Protagonist
Rating 6.8940 Users
Oshirikko Venus
Oshirikko Venus
24%
Tags
  • Panchira
  • Brief Third-person Narrative Sections
  • Tsukkomi Protagonist
  • Long Sexual Scenes
  • Pragmatic Heroine
Rating 7.0743 Users
Sweet Robin Girl
Sweet Robin Girl
24%
Tags
  • Waitress Heroine
  • Painter Heroine
  • Cook Heroine
  • Cafe
  • Straight Lolicon
Rating 6.8720 Users
Mine Fukaki Se ni Tayutau Uta
Mine Fukaki Se ni Tayutau Uta
23%
Tags
  • Promiscuity
  • Shimaidon with Twins
  • Hotblooded Protagonist
  • Action
  • Strategy Game
Rating 7.3537 Users
Immoral Little
Immoral Little
23%
Tags
  • Mesugaki Heroine
  • Female Domination Only
  • Masochist Protagonist
  • Submissive Protagonist
  • Single Legjob
Rating 6.7764 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
23%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Mamono Musume to no Seikatsu ~Alraune no Baai~
Mamono Musume to no Seikatsu ~Alraune no Baai~
23%
Tags
  • Plant Heroine
  • Sex with Monster Girls
  • No "Keep Voice on Click" Option
  • Healer Protagonist
  • Widow(er) Protagonist
Rating 6.6545 Users
Hana to Otome ni Shukufuku o -Royal Bouquet-
Hana to Otome ni Shukufuku o -Royal Bouquet-
23%
Tags
  • Twin Sister Support Character
  • Cross-dressing
  • Lolicon
  • Trap Protagonist
  • Ojousama Heroine
Rating 6.6871 Users
Comsome! ~Combination Somebody~
Comsome! ~Combination Somebody~
22%
Tags
  • Late Sexual Content
  • Pretending Heroine
  • Imouto-type Heroine
  • Sword Wielding Heroine
  • Colored Texts
Rating 6.8528 Users
Futaba☆Channel 2
Futaba☆Channel 2
22%
Tags
  • Elementary School Student Protagonist
  • Elementary School Student Heroine
  • Gender Bending
  • Lesbian Lolicon
  • Genderbent Sex
Rating 6.1824 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
22%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.0220 Users
Futaba☆Channel 3
Futaba☆Channel 3
22%
Tags
  • Idol Protagonist
  • Production of Pornography (Professional)
  • Elementary School Student Heroine
  • Heroine with Eye Covering Hairstyle
  • Sex Change
Rating 6.5323 Users

Sister Magic! 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 (65 total)

NameScoreImportanceWeight
Heroine with Demon Blood3.002.868.57
Half-demon Protagonist3.002.828.46
Completely Avoidable Rape3.002.357.06
Protagonist with Demon Blood2.003.386.76
Heroine with Visible Panties3.002.106.29
Only Protagonist's Sisters as Heroine(s)3.001.995.97
Inbreeding3.001.985.95
Demon Heroine3.001.885.64
Witch Heroine2.502.075.18
Harem Ending with Theme2.002.585.16
Genderbent Sex2.002.274.55
Blood-related Brother/Sister Incest3.001.494.46
Magic3.001.464.37
Heroine with Shorts2.002.104.21
Clothed Male Naked Female2.002.084.16
Impregnation3.001.374.12
Sex Under the Necessity2.001.983.95
Futanari Heroine2.001.973.95
Footjob2.001.883.76
Reverse Rape2.001.873.73
Loli Heroine3.001.193.56
Rape with Blackmail2.001.783.55
Classic Tsundere Heroine2.001.723.44
Branching Plot2.501.303.25
Fingering2.001.523.05
Handjob2.001.503.01
Masturbation2.001.492.98
Female Domination2.001.442.88
Bad Endings with Story2.001.402.80
High Sexual Content2.671.052.80
Suction on Penis1.002.722.72
Reverse Cowgirl2.001.332.66
Boobjob2.001.322.64
Bukkake2.001.202.41
Bad Ending(s)2.001.202.39
Lesbian Sex2.001.152.30
Sex Change1.002.232.23
Blowjob2.001.112.23
Only Virgin Heroines2.001.082.17
Blood-related Sister/Sister Incest1.002.132.13
Blood-related Father/Daughter Incest1.002.122.12
Shotacon1.002.012.01
Outdoor Sex2.001.001.99
Group Sex of One Male and Several Females2.000.921.83
Straight Shotacon1.001.821.82
Dildos1.001.741.74
Cowgirl2.000.841.68
Male on Male Sex1.001.641.64
Pregnant Sex1.331.181.56
Defloration2.000.761.52
Spoons1.001.491.49
Tentacle Rape1.001.361.36
Intercrural Sex1.001.341.34
Anal Penetration1.001.321.32
Nukige2.000.651.30
Twin Blowjob1.001.291.29
Sex in Public Places1.001.091.09
Group Sex of One Female and Several Males1.001.081.08
Sixty-nine1.001.071.07
Cunnilingus1.000.930.93
Heroine with Tights0.501.850.92
Male Protagonist3.000.300.91
Imouto-type Heroine0.501.740.87
Sexual Content1.000.630.63
ADV3.000.150.44

Traits (87 total)

NameCharactersImportanceWeight
Full Sister Role51.572.81
Sex Change (Female to Male) Subject of13.822.65
Incest Engages in (Sexual)51.472.63
Sexual Fantasy Engages in (Sexual)22.322.55
Hat Clothes31.832.53
Sexual Fantasy Subject of (Sexual)22.222.44
Inbreeding Engages in (Sexual)22.212.42
Panties Clothes31.732.39
Suction on Penis Subject of (Sexual)13.362.33
Supernatural Cloning Engages in13.162.19
Male on Male Sex Engages in (Sexual)21.992.19
Magician Role31.572.18
Genderbent Sex Engages in (Sexual)13.112.15
Demon Blooded Role13.092.14
Sex Change (Male to Female) Subject of13.012.09
Group Sex Engages in (Sexual)31.502.09
Younger Sister Role31.442.00
Sports Jersey Clothes12.761.91
Lesbian Sex Engages in (Sexual)31.381.91
Kid Body31.371.90
Middle Sister Role12.511.74
Succubus Role12.511.74
Older Sister Role21.561.71
Classic Tsundere Personality12.401.66
Ribbon Hair Tie Clothes31.191.65
Futanari Body12.351.63
Half-naked Clothes12.331.62
Henshin Engages in12.291.59
Lolita Clothes12.261.57
Pregnancy Subject of21.401.54
Cowgirl Subject of (Sexual)40.951.54
Virgin Sex Engages in (Sexual)50.851.52
Slit Pupils Eyes12.171.50
Tail Body12.151.49
Amber Eyes31.031.43
Demon Role12.001.39
Spiky Bangs Hair31.001.39
Secretive Personality12.001.39
Small Breast Sizes Body11.991.38
Sidehair Hair30.981.36
Full Brother Role11.951.35
Taciturn Personality11.941.35
Shaggy Hair11.921.33
Horns Body11.911.32
Twin Braids Hair11.861.29
Puffy Sleeves Clothes11.851.28
Twin Tails Hair21.131.24
Missionary Subject of (Sexual)21.121.23
Pajamas Clothes11.751.21
Older Brother Role11.731.20
Footjob Engages in (Sexual)11.721.19
Sitting Sex Subject of (Sexual)21.061.17
Shorts Clothes11.681.16
Intake Hair11.671.16
Pointed Ears Body11.641.14
Waist Length+ Hair30.811.12
Rape Subject of (Sexual)11.561.08
Big Breast Sizes Body11.541.07
Orange Hair11.511.05
Straight Hair20.951.04
Green Hair11.481.02
Blouse Clothes11.471.02
Doggy Style Subject of (Sexual)20.931.02
Teasing Engages in11.451.00
Tank Top Clothes11.420.98
Hairpin Clothes11.400.97
Masturbation Engages in (Sexual)11.390.96
Wavy Hair11.360.94
Slim Body40.580.93
T-shirt Clothes11.310.91
Curtained Hair11.300.90
Dress Clothes11.250.87
Blue Hair11.190.83
Trousers Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Brown Hair20.680.75
Miniskirt Clothes11.060.74
Parted to Side Hair11.050.73
Violet Eyes11.040.72
Thigh-high Stockings Clothes11.040.72
Green Eyes11.020.70
Teen Body20.620.68
Shoulder-length Hair10.920.64
Pale Body40.370.60
Young-adult Body10.760.53
Blowjob Engages in (Sexual)10.760.53
Short Hair10.610.42