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Summary

"Hey, Papa...let's make a baby..." One year after the death of his wife, a sudden temptation. Unable to endure that sweet voice, the protagonist lays his hands on his daughter. Despite his guilt over not being able to hold back, those acts persisted. Before long, his daughter is pregnant... [translated from official page]

Imouto ga Ji ni Natta no de Zayaku o Irete Yatta Ken
Imouto ga Ji ni Natta no de Zayaku o Irete Yatta Ken
0%
Tags
  • Comedic Sex Scenes
  • Bisexual Heroine
  • Protagonist as the Only Male
  • Heroine with Shorts
  • Siscon Protagonist
Rating 6.57350 Users
The Tower of Five Hearts
The Tower of Five Hearts
0%
Tags
  • Low Fantasy
  • Princess Protagonist
  • Kemonomimi Protagonist
  • Lesbian Protagonist
  • Monster Girl Heroine
Rating 6.0738 Users
Princess X FD ~Iinazuke wa Owaranai!?~
Princess X FD ~Iinazuke wa Owaranai!?~
0%
Tags
  • Monster Girl Support Character
  • Monster Girl Heroine
  • Heroine Having Sex with Others
  • Alien Heroine
  • Modern Tsundere Heroine
Rating 6.1658 Users
Garden of Oblivion
Garden of Oblivion
0%
Tags
  • Animals
  • Confinement
  • Talking Animal
  • Puzzle Game
  • Dark Skinned Protagonist
Rating 6.0232 Users
Imolicious
Imolicious
0%
Tags
  • Siscon Protagonist
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • Blood-related Brother/Sister Incest
  • Modern Day Japan
Rating 5.3854 Users
Daemonophilia
Daemonophilia
0%
Tags
  • Succubus Heroine
  • Modern Day Earth
  • Library
  • Early Branching Plot
  • 100% Completion Bonus
Rating 6.0524 Users
Yuzuminatsu
Yuzuminatsu
0%
Tags
  • All Loli Heroines
  • Naizuri
  • Siscon Protagonist
  • Defloration During Common Route
  • Straight Lolicon
Rating 6.4837 Users
Onegai Tasukete!! 2 ~Sosogare Tsuzukeru Seieki~
Onegai Tasukete!! 2 ~Sosogare Tsuzukeru Seieki~
0%
Tags
  • Birthrate Decline
  • Unavoidable Rape
  • Sexual Slavery
  • Student Council
  • Pregnancy
Rating 6.4921 Users
Oh, Yes! Kasshoku Bitch Hitozuma no Seiyoku Kaishou ~Ero Ero Dekiru Mama-san Volley Kai~
Oh, Yes! Kasshoku Bitch Hitozuma no Seiyoku Kaishou ~Ero Ero Dekiru Mama-san Volley Kai~
0%
Tags
  • Foreigner Heroine
  • Heroine with Shorts
  • Promiscuous Heroine
  • Mutual Masturbation
  • Background Moans
Rating 6.02138 Users
Kagikko Shoujo ~Hizashi no Naka no Orusuban~
Kagikko Shoujo ~Hizashi no Naka no Orusuban~
0%
Tags
  • Genre Shift
  • Voiced Narration
  • Linear Plot
  • Sex Involving Children
  • Highly Animated Sprites
Rating 6.3727 Users
Anaheim Girl
Anaheim Girl's Love Story
0%
Tags
  • Mecha
  • Gundam
  • Bonus Episodes
  • Lesbian Sex Only
  • Girl x Girl Romance Only
Rating 6.6823 Users
Mira
Mira's Magical Mishap
0%
Tags
  • Witch Heroine
  • Witch Protagonist
  • Lesbian Protagonist
  • Friendship Ending
  • Central Heroine
Rating 6.3140 Users
Kirakira Stars Idol Project Ai
Kirakira Stars Idol Project Ai
0%
Tags
  • Detached Sexual Content
  • Cliffhanger Ending
  • No Quick Save/Load
  • Idol Heroine
  • Meaningless Choices
Rating 6.0040 Users
Taritenai Ijime Hamerarekko - Fuyua-chan
Taritenai Ijime Hamerarekko - Fuyua-chan
0%
Tags
  • Feeder Fetish
  • Ryona
  • Sex Involving Food
  • Bullying
  • Public Use (Choukyou or Non-Consensual)
Rating 5.6355 Users
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
0%
Tags
  • Protagonist's Older Sister as a Heroine
  • Brother/Sister Romance
  • Straight Shotacon
  • Protagonist's Full Sister as a Heroine
  • Brother/Sister Incest
Rating 6.0521 Users
Inmai Baby
Inmai Baby
0%
Tags
  • Playtime Counter
  • Only Avoidable Netorare
  • Flat Tints Only
  • Passage of Time
  • Protagonist's Younger Sister as a Heroine
Rating 6.4120 Users
Butterfly Affection -Kowaku no Youchuu-
Butterfly Affection -Kowaku no Youchuu-
0%
Tags
  • Mute Heroine
  • Drastic Character Development
  • Monster Girl Heroine
  • Checkpoints
  • Protagonist as the Only Male
Rating 6.70243 Users
Musume Shimai
Musume Shimai
0%
Tags
  • Father/Daughter Romance
  • Protagonist's Blood-related Daughter as a Heroine
  • Blood-related Father/Daughter Incest
  • Sex Involving Children
  • Unnamed Protagonist
Rating 6.8170 Users
Koyori ~Sevendays~
Koyori ~Sevendays~
0%
Tags
  • Runaway Heroine
  • No "Keep Voice on Click" Option
  • Protagonist as the Only Male
  • All Loli Heroines
  • Straight Lolicon
Rating 5.8841 Users
Neko Kawaigari! ~Crane Inuneko Byouin Shinsatsuchuu~
Neko Kawaigari! ~Crane Inuneko Byouin Shinsatsuchuu~
0%
Tags
  • Health Issues
  • Heroine with Health Issues
  • Medical Doctor Protagonist
  • Kemonomimi Protagonist
  • Medical Doctor Heroine
Rating 6.5458 Users
Shuki Shuki Daishuki!!
Shuki Shuki Daishuki!!
0%
Tags
  • Musume-type Heroine
  • Panic Button
  • Runaway Heroine
  • Russian Heroine
  • All Loli Heroines
Rating 6.9341 Users
Kitty Love
Kitty Love
0%
Tags
  • Kemonomimi Protagonist
  • Catboy Hero
  • Homosexual Hero
  • Infidelity
  • Protagonist in Relationship
Rating 6.2124 Users
Hana Usagi
Hana Usagi
0%
Tags
  • Countryside
  • Heroine with a Sundress
  • NVL
  • Kinetic Novel
  • Only a Single Heroine
Rating 5.9435 Users
Heileen 3: New Horizons
Heileen 3: New Horizons
0%
Tags
  • Pirate Hero
  • Pirate Heroine
  • Pirates
  • Ship
  • Hero with Naked Top
Rating 6.2448 Users
Yuka
Yuka
27%
Tags
  • Uncle/Niece Incest
  • No "Keep Voice on Click" Option
  • Straight Lolicon
  • Loli Heroine
  • Male Protagonist
Rating 6.0022 Users
Imouto ga Boku o Neratteru
Imouto ga Boku o Neratteru
14%
Tags
  • Reverse NTR
  • Perverted Protagonist
  • Submissive Protagonist
  • Perverted Friend
  • Inbreeding
Rating 6.1840 Users
Musume Seikatsu.
Musume Seikatsu.
14%
Tags
  • Lolicon Protagonist
  • Erotic Massage
  • In-Game Tutorial
  • Protagonist's Blood-related Daughter as a Heroine
  • Protagonist with Children
Rating 6.5826 Users
Itazura Love Hitoke no Nai Kouen de Shoujo to Ai o Hagukumou
Itazura Love Hitoke no Nai Kouen de Shoujo to Ai o Hagukumou
13%
Tags
  • Elementary School Student Heroine
  • Park
  • Otaku Protagonist
  • Photographic Backgrounds
  • Sex Involving Children
Rating 6.5328 Users
The Phantom Icecream Truck
The Phantom Icecream Truck
12%
Tags
  • Scary Protagonist
  • Lovecraftian Horror
  • Gaijin Protagonist
  • Few Event CGs
  • NaNoRenO
Rating 5.9823 Users
Naisho no Naisho!
Naisho no Naisho!
12%
Tags
  • All Younger Heroines
  • Shimaidon with Twins Ending
  • Protagonist's Half-sister as a Heroine
  • All Heroines are Protagonist's Sister(s)
  • All Loli Heroines
Rating 6.9464 Users
Imouto Pet ~Repure~
Imouto Pet ~Repure~
11%
Tags
  • Elementary School Student Heroine
  • Voiced Narration
  • Brocon Heroine
  • Deredere Heroine
  • Straight Lolicon
Rating 6.4730 Users
Bernd und das Rätsel um Unteralterbach
Bernd und das Rätsel um Unteralterbach
11%
Tags
  • German Protagonist
  • Satire
  • Fictional Modern Day European Town
  • Lolicon Protagonist
  • Black Comedy
Rating 7.75351 Users
The Stargazers
The Stargazers
11%
Tags
  • Pilot Heroine
  • Soldier Heroine
  • Soldier Protagonist
  • Mars
  • Protagonist Selection
Rating 5.5435 Users
Itazurakko ~Uchi no Musume ni Kagitte~
Itazurakko ~Uchi no Musume ni Kagitte~
10%
Tags
  • Family Life Comedy
  • Realtime 3D
  • Blood-related Father/Daughter Incest
  • Dramatic Love Triangle
  • Physical Problems
Rating 6.5956 Users
Musumaker
Musumaker
10%
Tags
  • Debt
  • Musume-type Heroine
  • Crippled Heroine
  • Orphan Heroine
  • Prostitution
Rating 7.12122 Users
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
Shinsou Parallel Paradox -Heikou Sekai no Risoukyou-
9%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Alternate Dimensions
  • Rapist Protagonist
  • Protagonist's Older Sister as a Heroine
  • Blood-related Mother/Son Incest
Rating 6.4546 Users
Naisho no Yorimichi
Naisho no Yorimichi
9%
Tags
  • Pedophile Protagonist
  • Both Male and Female Love Interests
  • Shota Hero
  • Twins as Support Characters
  • Gay Shotacon
Rating 6.4121 Users
Kamikakushi Shoujo Nie
Kamikakushi Shoujo Nie
9%
Tags
  • Youkai Protagonist
  • Stalking
  • Petrification
  • Youkai Heroine
  • Slime Monster Rape
Rating 6.6921 Users
Bunny Paradise Bani Para ~Koibito Zen
Bunny Paradise Bani Para ~Koibito Zen'in Bunny-ka Keikaku~
9%
Tags
  • Protagonist's Fiancee as a Heroine
  • Cowgirl Heroine
  • Rich Protagonist
  • Defloration During Common Route
  • Haraguro Heroine
Rating 6.7132 Users
The God of Death
The God of Death
8%
Tags
  • Terrorism
  • Hint Corner
  • Shinigami Protagonist
  • Sexual Slavery (Choukyou Variation)
  • Torture
Rating 6.4122 Users
Tsumairo Shoujo ~Fuufu Seikatsu, Hajimemasu~
Tsumairo Shoujo ~Fuufu Seikatsu, Hajimemasu~
8%
Tags
  • Sudden Girlfriend Appearance
  • Birthrate Decline
  • Domicile
  • Arranged Marriage
  • All Loli Heroines
Rating 5.75159 Users
Rina no Chiisana Oka
Rina no Chiisana Oka
8%
Tags
  • Lolicon Protagonist
  • No "Keep Voice on Click" Option
  • Interactive Touching Game
  • Floating Textbox
  • Elementary School Student Heroine
Rating 6.0831 Users
Hinata no Tsuki
Hinata no Tsuki
8%
Tags
  • All Shota Heroes
  • Only Trap Heroines
  • Elf Hero
  • Gay Shotacon
  • Elves
Rating 6.5625 Users
Kozukuri Renshuu Jugyou Love
Kozukuri Renshuu Jugyou Love's Right Sex Shinai to Sokushikei
8%
Tags
  • Elementary School
  • Elementary School Student Heroine
  • Sex Involving Children
  • Unnamed Protagonist
  • Sex Under the Necessity
Rating 6.6228 Users
Deathtopia
Deathtopia
8%
Tags
  • Yakuza
  • Back Skip Function
  • Lesbian Heroine
  • Erotic Mind Control
  • Villainous Protagonist
Rating 5.4422 Users
Rising Angels
Rising Angels
8%
Tags
  • Kemonomimi Protagonist
  • Military School
  • Late Branching Plot
  • Elves
  • Non-human Protagonist
Rating 6.3244 Users
Haitoku no Oyakodon ~In
Haitoku no Oyakodon ~In'yoku ni Shizumu Mama to Imouto~
8%
Tags
  • Only Blood-related Heroines
  • Incest
  • Protagonist's Blood-related Mother as a Heroine
  • Oyakodon Ending
  • Blood-related Mother/Son Incest
Rating 5.9927 Users
Josou Kaikyou
Josou Kaikyou
8%
Tags
  • Male on Trap
  • Only Trap Heroines
  • Seme Protagonist
  • Fake Options
  • University Student Hero
Rating 6.84198 Users

Hajimete no Okaa-san 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 (41 total)

NameScoreImportanceWeight
Clothing ON/OFF2.752.968.13
Widow(er) Protagonist2.752.797.66
Lolicon Protagonist2.672.817.50
Protagonist's Blood-related Daughter as a Heroine2.752.466.76
Human Childbirth2.003.276.55
Incest Romance2.752.356.48
Nude Filter2.502.576.42
Passage of Time2.752.185.98
Blood-related Father/Daughter Incest2.752.155.90
Family3.001.955.85
Sex Involving Children2.752.065.65
All Loli Heroines2.751.985.44
Pure Love Story2.501.894.72
Inbreeding2.331.984.61
Pregnancy3.001.524.56
Perverted Protagonist2.331.713.99
Impregnation2.751.363.73
Birth1.202.883.46
Internal Exhibition of Sex2.251.533.44
Loli Heroine3.001.123.35
Bad Endings with Story2.251.453.26
Slice of Life2.001.623.24
Straight Lolicon2.001.603.20
Drama2.251.393.12
Ejaculation Choice2.001.553.09
Lactation During Sex2.501.213.01
Only a Single Heroine2.751.072.94
Pregnant Sex2.501.152.88
Naked Sprites2.401.052.53
Lolicon1.601.522.44
Bad Ending(s)2.001.202.40
Twin Tail Heroine2.001.152.29
Avoidable Rape1.002.262.26
Piss Drinking1.001.871.87
Multiple Endings2.330.681.58
Urination Fetish1.001.521.52
Sex in Water1.001.391.39
Bathroom Sex1.001.211.21
Anal Penetration1.001.161.16
Nukige1.750.631.10
Blowjob1.000.970.97

Traits (42 total)

NameCharactersImportanceWeight
Kindergarten Hat Clothes13.752.60
Bib Clothes13.612.50
Kindergarten Uniform Clothes13.572.47
Elementary School Backpack Items13.052.12
Overall Clothes12.581.79
Inbreeding Engages in (Sexual)12.221.54
Spats Clothes12.151.49
Illness Subject of12.141.48
Old Type School Swimsuit Clothes12.031.41
Immature Personality11.911.32
Pajamas Clothes11.701.18
Shorts Clothes11.651.14
Short (obsolete) Body11.601.11
Daughter Role11.551.07
Apron Clothes11.531.06
Incest Engages in (Sexual)11.481.02
Pissing Engages in (Sexual)11.441.00
Cooking Engages in11.410.98
Pregnancy Subject of11.390.96
Kid Body11.340.93
T-shirt Clothes11.330.92
Knee-high Socks Clothes11.330.92
Ribbon Tie Clothes11.200.83
Dress Clothes11.190.83
Cunnilingus Subject of (Sexual)11.190.82
Handjob Engages in (Sexual)11.170.81
Anal Sex Subject of (Sexual)11.170.81
Standing Sex Subject of (Sexual)11.160.81
Missionary Subject of (Sexual)11.090.76
Twin Tails Hair11.080.75
Miniskirt Clothes11.050.73
Tareme Eyes11.040.72
Sitting Sex Subject of (Sexual)11.030.71
Green Eyes11.000.69
Thigh-high Stockings Clothes10.980.68
Cowgirl Subject of (Sexual)10.940.65
Doggy Style Subject of (Sexual)10.900.63
Virgin Sex Engages in (Sexual)10.810.56
Blowjob Engages in (Sexual)10.750.52
Brown Hair10.680.47
School Uniform Clothes10.650.45
Short Hair10.600.42