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Summary

Father remarries, and main character gets a cute little sister. On a summer vacation day older brother gets lost to temptation and attacks his new sister. [From vndbreview]

Venus Blood DarkChronicle Episode:2 Konton ni Ochiru Hahako Kami
Venus Blood DarkChronicle Episode:2 Konton ni Ochiru Hahako Kami
NAN%
Tags
  • Ryona
  • Straight Lolicon
  • Heroine with Heterochromia
  • Vaginal + Anal Tentacle Penetration
  • Memory Alteration
Rating 6.3331 Users
Make Love Not Waagh!
Make Love Not Waagh!
NAN%
Tags
  • Orc Heroine
  • Consensual Erotic Humiliation
  • Muscular Heroine
  • Interracial/interspecies Romance
  • Interracial Sex
Rating 6.3636 Users
Iinari Tsumairo ~Tomaranai Koshizukai~
Iinari Tsumairo ~Tomaranai Koshizukai~
NAN%
Tags
  • Hero(ine) Selection
  • Aunt/Nephew Incest
  • Netori
  • Infidelity
  • Multiple Protagonists
Rating 6.3040 Users
Hara ☆ Para!! ~Swan Nakadashi Paradise~
Hara ☆ Para!! ~Swan Nakadashi Paradise~
NAN%
Tags
  • Confinement in a Simulated Reality
  • Unnamed Protagonist
  • Half-demon Heroine
  • Crossover
  • Vampire Heroine
Rating 6.00118 Users
Eien
Eien
NAN%
Tags
  • Checkpoints
  • Blind Heroine
  • High Amount of Bad Endings
  • Protagonist as the Only Male
  • No Quick Save/Load
Rating 6.4622 Users
Netorare Shimai, Mia to Yumi ~Kurikaesareru Koibito Goudatsu
Netorare Shimai, Mia to Yumi ~Kurikaesareru Koibito Goudatsu
NAN%
Tags
  • Sister/Sister Incest
  • Sister Support Character
  • University Student Hero
  • Love Hotel
  • Only Non-Virgin Heroines
Rating 5.9446 Users
Shoujo Mahou Gaku Little Witch Romanesque Bangai Hen "Sayonara, Mauresumo"
Shoujo Mahou Gaku Little Witch Romanesque Bangai Hen "Sayonara, Mauresumo"
NAN%
Tags
  • Ghost
  • Floating Textbox
  • Past Setting in a Fictional World
  • Comedy
  • No Romance Plot
Rating 6.4322 Users
My Mother Kyoko - NTR Fallen
My Mother Kyoko - NTR Fallen
NAN%
Tags
  • Completely Unavoidable Netorare
  • Playboy Hero
  • Sexual Corruption
  • Nympho Protagonist
  • Co-worker Hero
Rating 6.1847 Users
Yozora Rhapsody
Yozora Rhapsody
NAN%
Tags
  • Daughter Support Character
  • Protagonist's Wife as a Heroine
  • Family
  • Beach
  • Island
Rating 4.8554 Users
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
NAN%
Tags
  • Netori
  • Medical Doctor Protagonist
  • Remote-controlled Vibrator
  • Urination Fetish
  • Piledriver
Rating 5.3844 Users
Happy Campers
Happy Campers
NAN%
Tags
  • Summer Camp
  • Forest
  • Protagonist Gender Choice
  • American Heroine
  • No Common Sense Heroine
Rating 4.4656 Users
sousyun
sousyun
NAN%
Tags
  • Blood-related Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Sex Involving Children
  • Loli Heroine
Rating 6.1027 Users
Akane no Chiisana Hanabira
Akane no Chiisana Hanabira
NAN%
Tags
  • In-law Incest
  • Protagonist's Sister-in-Law as a Heroine
  • No Voice Replay
  • Sex Involving Children
  • Save Memo Function
Rating 6.1836 Users
Kawaime M Maid-san no Oshigoto SM Lesson ~Goichizoku ni Tsutawaru Higi o, Sendai-sama ni Kawatte Godenju Itashimasu~
Kawaime M Maid-san no Oshigoto SM Lesson ~Goichizoku ni Tsutawaru Higi o, Sendai-sama ni Kawatte Godenju Itashimasu~
NAN%
Tags
  • Vacuum Bed
  • BDSM
  • Sexual Slavery (Consensual)
  • Whipping
  • Maid Heroine
Rating 5.4741 Users
Dasshutsu wa Sex no Ato de -City Resort Hotel kara no Dasshutsu-
Dasshutsu wa Sex no Ato de -City Resort Hotel kara no Dasshutsu-
NAN%
Tags
  • Escape Game
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Interactive Adventure Game
  • Single Ending
  • Only Younger Heroines
Rating 6.0022 Users
Kekkon Shitai Otoshigoro
Kekkon Shitai Otoshigoro
NAN%
Tags
  • Interactive Touching Game
  • Protagonist's Niece as a Heroine
  • Straight Lolicon
  • Sex Involving Children
  • Floating Textbox
Rating 6.4635 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~
NAN%
Tags
  • Timid Protagonist
  • Foreigner Heroine
  • Perverted Protagonist
  • Heroine with Shorts
  • Nympho Heroine
Rating 6.09212 Users
Mama wa Inran Niku Dorei
Mama wa Inran Niku Dorei
NAN%
Tags
  • Sexual Child Abuse
  • Straight Lolicon
  • Only Loli Heroines
  • Interactive Touching Game
  • Peace Sign Ahegao
Rating 6.9030 Users
Winter
Winter's Empty Mask
NAN%
Tags
  • Horror
  • Mystery
  • RPG
  • Male Protagonist
Rating 5.8320 Users
ACE OF SPADES
ACE OF SPADES
NAN%
Tags
  • Poker
  • Sexual Devices
  • BDSM
  • Title Parody
  • Third-person Narrative
Rating 4.6721 Users
Musume Seikatsu.
Musume Seikatsu.
NAN%
Tags
  • Lolicon Protagonist
  • Protagonist's Blood-related Daughter as a Heroine
  • In-Game Tutorial
  • Sexual Scenes with Gameplay
  • Blood-related Father/Daughter Incest
Rating 7.10159 Users
Loli Kyonyuu no Sato Nite
Loli Kyonyuu no Sato Nite
NAN%
Tags
  • Oppai Loli Heroine
  • Countryside
  • Heroine with Kimono
  • RPG
  • Twin Boobjob
Rating 6.7926 Users
Imouto to Hokentaiiku
Imouto to Hokentaiiku
NAN%
Tags
  • Protagonist's Blood-related Sister as a Heroine
  • Straight Lolicon
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
  • Only Protagonist's Sisters as Heroine(s)
Rating 6.0255 Users
Inkyo Gunshi no Kyuukoku Strategy
Inkyo Gunshi no Kyuukoku Strategy
NAN%
Tags
  • Real Time with Pause
  • Tactician Protagonist
  • High Fantasy
  • Unlockable Sexual Content
  • Playtime Counter
Rating 5.7535 Users
Mayuri no Himitsu
Mayuri no Himitsu
35%
Tags
  • Protagonist's Younger Sister as a Heroine
  • Brother/Sister Incest
  • Sex Involving Children
  • Straight Lolicon
  • Interactive Touching Game
Rating 5.4020 Users
Kuro Gyaru no Denshanai Ingi ~Batsu Game no Hyouteki ni Sareta Boku~
Kuro Gyaru no Denshanai Ingi ~Batsu Game no Hyouteki ni Sareta Boku~
35%
Tags
  • Chikan Heroine
  • Blackmail
  • Molestation on Public Transport
  • Gyaru Heroine
  • Wax Play
Rating 5.6585 Users
Kawaime M Maid-san no Oshigoto SM Lesson ~Goichizoku ni Tsutawaru Higi o, Sendai-sama ni Kawatte Godenju Itashimasu~
Kawaime M Maid-san no Oshigoto SM Lesson ~Goichizoku ni Tsutawaru Higi o, Sendai-sama ni Kawatte Godenju Itashimasu~
34%
Tags
  • Vacuum Bed
  • BDSM
  • Sexual Slavery (Consensual)
  • Whipping
  • Maid Heroine
Rating 5.4741 Users
Akane no Chiisana Hanabira
Akane no Chiisana Hanabira
27%
Tags
  • In-law Incest
  • Protagonist's Sister-in-Law as a Heroine
  • No Voice Replay
  • Sex Involving Children
  • Save Memo Function
Rating 6.1836 Users
sousyun
sousyun
27%
Tags
  • Blood-related Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Sex Involving Children
  • Loli Heroine
Rating 6.1027 Users
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
Inraku Counseling ~Otto no Me no Mae de, Tsuma wa Honshou ni Ochiteyuku~
26%
Tags
  • Netori
  • Medical Doctor Protagonist
  • Remote-controlled Vibrator
  • Urination Fetish
  • Piledriver
Rating 5.3844 Users
Happy Campers
Happy Campers
21%
Tags
  • Summer Camp
  • Forest
  • Protagonist Gender Choice
  • American Heroine
  • No Common Sense Heroine
Rating 4.4656 Users
My Mother Kyoko - NTR Fallen
My Mother Kyoko - NTR Fallen
20%
Tags
  • Completely Unavoidable Netorare
  • Playboy Hero
  • Sexual Corruption
  • Nympho Protagonist
  • Co-worker Hero
Rating 6.1847 Users
Yozora Rhapsody
Yozora Rhapsody
20%
Tags
  • Daughter Support Character
  • Protagonist's Wife as a Heroine
  • Family
  • Beach
  • Island
Rating 4.8554 Users
Kekkon Shitai Otoshigoro
Kekkon Shitai Otoshigoro
20%
Tags
  • Interactive Touching Game
  • Protagonist's Niece as a Heroine
  • Straight Lolicon
  • Sex Involving Children
  • Floating Textbox
Rating 6.4635 Users
Mama wa Inran Niku Dorei
Mama wa Inran Niku Dorei
19%
Tags
  • Sexual Child Abuse
  • Straight Lolicon
  • Only Loli Heroines
  • Interactive Touching Game
  • Peace Sign Ahegao
Rating 6.9030 Users
ACE OF SPADES
ACE OF SPADES
19%
Tags
  • Poker
  • Sexual Devices
  • BDSM
  • Title Parody
  • Third-person Narrative
Rating 4.6721 Users
Loli Kyonyuu no Sato Nite
Loli Kyonyuu no Sato Nite
18%
Tags
  • Oppai Loli Heroine
  • Countryside
  • Heroine with Kimono
  • RPG
  • Twin Boobjob
Rating 6.7926 Users
Inkyo Gunshi no Kyuukoku Strategy
Inkyo Gunshi no Kyuukoku Strategy
18%
Tags
  • Real Time with Pause
  • Tactician Protagonist
  • High Fantasy
  • Unlockable Sexual Content
  • Playtime Counter
Rating 5.7535 Users
Namaiki Imouto o Choukyou Shitatta
Namaiki Imouto o Choukyou Shitatta
17%
Tags
  • Unavoidable Heroine Rape by the Protagonist
  • Perverted Friend
  • Domestic Violence
  • In-Game Tutorial
  • Ordered Choices
Rating 5.9325 Users
Kyouiku ni Urusai Gibo to Yuutousei na Gishi ni Tanezuke mo Benkyou no Hitotsu to Saimin o Kaketa Kekka
Kyouiku ni Urusai Gibo to Yuutousei na Gishi ni Tanezuke mo Benkyou no Hitotsu to Saimin o Kaketa Kekka
16%
Tags
  • Protagonist's Older Sister as a Heroine
  • Non-blood-related Mother/Son Incest
  • Masochist Heroine
  • Internal Pissing
  • Pig Cosplay
Rating 6.4173 Users
Omae wa Juujin Niku Benki ~Tanezuke Mugen Loop~
Omae wa Juujin Niku Benki ~Tanezuke Mugen Loop~
16%
Tags
  • Completely Unavoidable Heroine Rape
  • Grotesque Body Modification
  • Kemonomimi Heroine
  • Discrimination
  • Rapist Protagonist
Rating 5.8031 Users
Flatcheez
Flatcheez
16%
Tags
  • Elementary School Student Protagonist
  • Elementary School
  • Side Character Having Sex with Others
  • Child Support Character
  • Transfer Student Protagonist
Rating 6.43160 Users
Imouto Pet ~Repure~
Imouto Pet ~Repure~
16%
Tags
  • Elementary School Student Heroine
  • Voiced Narration
  • Deredere Heroine
  • Brocon Heroine
  • Heroine with Spats
Rating 6.7837 Users
Yuka
Yuka
16%
Tags
  • Pregnancy Ending
  • Uncle/Niece Incest
  • Protagonist's Niece as a Heroine
  • Time Jump
  • No "Keep Voice on Click" Option
Rating 5.9541 Users
Z.O.E. 2173 Testament
Z.O.E. 2173 Testament
16%
Tags
  • Mars
  • SRPG
  • Future Earth
  • War
  • No Sexual Content
Rating 6.9142 Users
Rina no Chiisana Oka
Rina no Chiisana Oka
16%
Tags
  • Lolicon Protagonist
  • No "Keep Voice on Click" Option
  • Interactive Touching Game
  • Loli Support Character
  • Elementary School Student Heroine
Rating 5.9357 Users
Yuganda Yokubou - Netorase Tsuma Shelly
Yuganda Yokubou - Netorase Tsuma Shelly
15%
Tags
  • Netorase
  • Heroine with Inverted Nipples
  • Protagonist's Wife as a Heroine
  • Heroine with Pre-story Virginity Loss to the Protagonist
  • Checkpoints
Rating 6.7828 Users
Onii-chan Asobo
Onii-chan Asobo
15%
Tags
  • Design Story
  • Brother/Sister Incest
  • Protagonist's Younger Sister as a Heroine
  • Brother/Sister Romance
  • Lots of Event CGs
Rating 5.3694 Users

Naisho no Natsuyasumi has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
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Tags (8 total)

NameScoreImportanceWeight
Only Loli Heroines3.001.785.33
Lolicon3.001.735.20
Straight Lolicon3.001.504.50
Sex Involving Children2.001.953.90
Loli Heroine3.001.193.57
Only Virgin Heroines2.001.082.16
Defloration2.000.761.52
Male Protagonist2.000.300.60

Traits (66 total)

NameCharactersImportanceWeight
Non-blood-related Incest Engages in (Sexual)22.152.37
Sleep Sex Engages in (Sexual)12.761.92
Laptop Items12.691.86
Sleep Sex Subject of (Sexual)12.491.73
Sex with Children Engages in (Sexual)12.491.73
Non-blood-related Son Role12.491.72
Photography Engages in12.401.67
Non-blood-related Brother Role12.381.65
Non-blood-related Mother Role12.371.64
Handbag Items12.291.59
Intercrural Sex Subject of (Sexual)12.281.58
Short Bangs Hair12.251.56
Rubber Band With Beads Clothes12.231.54
Blackmail Engages in12.221.54
Spoons Engages in (Sexual)12.211.53
Kid Body21.371.51
Non-blood-related Sister Role12.171.50
Sundress Clothes12.141.49
Shimapan Clothes12.131.48
Blackmail Subject of12.121.47
Violet Eyes31.051.45
T-shirt Clothes21.311.44
Butterfly Engages in (Sexual)12.021.40
Friend Role21.201.32
Butterfly Subject of (Sexual)21.171.29
Intercrural Sex Engages in (Sexual)11.841.28
Missionary Engages in (Sexual)11.741.21
Mobile Phone Items11.741.20
Older Brother Role11.731.20
Panties Clothes11.711.19
Spiky Hair11.691.17
Shorts Clothes11.681.16
Spoons Subject of (Sexual)11.671.15
No Bangs Hair11.651.14
Vaginal Fingering Engages in (Sexual)11.621.12
Spiky Bangs Hair21.001.10
Cunnilingus Engages in (Sexual)11.551.08
Sidehair Hair20.981.07
Wife Role11.531.06
Blowjob Subject of (Sexual)11.521.05
Student Role11.491.03
Mother Role11.461.01
Daughter Role11.451.01
Younger Sister Role11.441.00
Tank Top Clothes11.410.98
Blond Hair20.890.98
Hairpin Clothes11.400.97
Masturbation Engages in (Sexual)11.390.97
Not Sexually Involved Engages in (Sexual)11.350.94
Virgin Sex Engages in (Sexual)20.850.93
Slim Body40.580.93
Curtained Hair11.300.90
Young-adult Body20.760.84
Red Eyes11.200.83
Violet Hair11.190.83
Cunnilingus Subject of (Sexual)11.160.81
Twin Tails Hair11.130.78
Missionary Subject of (Sexual)11.120.77
Vaginal Fingering Subject of (Sexual)11.080.75
Miniskirt Clothes11.060.74
Straight Hair10.940.65
Shoulder-length Hair10.920.64
Pale Body40.370.59
Blowjob Engages in (Sexual)10.760.53
Brown Hair10.680.47
Short Hair10.610.42