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Summary

A 3rd installment of "Himitsu Taiken" series.

Otouto Shibori ~Ane-tachi no Sei Kyouiku~
Otouto Shibori ~Ane-tachi no Sei Kyouiku~
NAN%
Tags
  • Shotacon
  • Pegging
  • Footjob
  • Shota Protagonist
  • Oneesan-type Heroine
Rating 6.1321 Users
OH! Stealth Shinshi ~Onmitsu Semen Koukai Nakadashi Gakuen~
OH! Stealth Shinshi ~Onmitsu Semen Koukai Nakadashi Gakuen~
NAN%
Tags
  • Invisibility
  • Superpowers
  • Discipline Committee Leader Heroine
  • More Than Seven Heroines
  • ESP
Rating 6.8234 Users
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
Gibo no Milk wa Mitsu no Aji ~Ippai Nonde, Amaete ne~
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Adult Breast Feeding
  • Only Protagonist's Relatives as Heroine(s)
  • Netori
  • University Student Protagonist
Rating 6.4420 Users
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
Motto! Yagai Gakushuu ~Kaki Tokubetsu Koushuu Hen~
NAN%
Tags
  • Summer Camp
  • Shotacon
  • Shota Protagonist
  • Child Protagonist
  • Straight Shotacon
Rating 6.4951 Users
Shinkon Netorare Seikatsu ~Gomennasai, Anata. Kon
Shinkon Netorare Seikatsu ~Gomennasai, Anata. Kon'yaku, Kekkon, Shussan, Zutto Watashi wa Oji-san ni...~
NAN%
Tags
  • Elderly Sex
  • Netorare
  • Oyaji Hero
  • Stockings
  • Sex on Toilet
Rating 6.5427 Users
Tanetsuke Kyoushitsu ~Ima kara Minna ni Sensei no Tokunou Seishi de Harande Moraimasu~
Tanetsuke Kyoushitsu ~Ima kara Minna ni Sensei no Tokunou Seishi de Harande Moraimasu~
NAN%
Tags
  • Sex Involving Smegma
  • Glory Hole Sex
  • Religious Heroine
  • Nun Heroine
  • Impregnation
Rating 6.3824 Users
Nanpa Nama Hame Nakadashi Banzai 5
Nanpa Nama Hame Nakadashi Banzai 5
NAN%
Tags
  • Nanpa
  • Playboy Protagonist
  • Beach
  • Sex on a Beach
  • Long Sexual Scenes
Rating 6.4139 Users
Mama! Tsuma?
Mama! Tsuma?
NAN%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6574 Users
Boy Meets Wives
Boy Meets Wives
NAN%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Tsuma x Heaven
Tsuma x Heaven
NAN%
Tags
  • Infidelity
  • Only Non-Virgin Heroines
  • Promiscuous Heroine
  • Adult Heroine
  • Naked Heroine with Apron
Rating 6.5722 Users
Zoku Mama Club
Zoku Mama Club
NAN%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
NAN%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6852 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
NAN%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
Shin NOZOKI-ma 2 ~Jogakuryou no Himitsu~
NAN%
Tags
  • Paraphilic Infantilism
  • School Nurse Heroine
  • Narrating Others' Thoughts
  • Heroine with Garter Belt
  • Masochist Heroine
Rating 6.3721 Users
Juicy Age
Juicy Age
NAN%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7738 Users
Bukkake!! ~Senpai wa Milk Mamire~
Bukkake!! ~Senpai wa Milk Mamire~
NAN%
Tags
  • Student Council Member Protagonist
  • Protagonist's Senpai as a Heroine
  • Sadist Heroine
  • Heroine with Tan Lines
  • Armpit Sex
Rating 5.6520 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
NAN%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
NAN%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.4937 Users
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
Shinkonzuma Shion no AV Debut ~Honeymoon Chuu ni Otto Igai to Namadashi Rankou Netorare~
NAN%
Tags
  • Unavoidable Netorare
  • Production of Pornography (Professional)
  • Only Adult Heroines
  • Married Heroine
  • Protagonist in Relationship
Rating 6.3222 Users
Yarasete! Teacher
Yarasete! Teacher
NAN%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3131 Users
Kazoku Koukan Ane-Haha-Imouto
Kazoku Koukan Ane-Haha-Imouto
NAN%
Tags
  • Completely Avoidable Rape
  • Grandfather/Granddaughter Incest
  • Incest Romance
  • Heroine with Children
  • Cousin Incest
Rating 6.4554 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
NAN%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Boku no Himitsu Taiken
Boku no Himitsu Taiken
69%
Tags
  • Straight Shotacon
  • Blood-related Cousin Incest
  • Shotacon
  • Meaningless Choices
  • Blood-related Aunt/Nephew Incest
Rating 6.6132 Users
Matty
Matty
67%
Tags
  • Shotacon
  • Protagonist's Aunt as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Short Sexual Scenes
Rating 6.8929 Users
Motto! Himitsu Taiken
Motto! Himitsu Taiken
65%
Tags
  • Shotacon
  • Shota Protagonist
  • Blood-related Cousin Incest
  • Lolicon
  • Design Story
Rating 6.5531 Users
Bosei ~Mama Club~
Bosei ~Mama Club~
53%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Mother/Son Incest
  • Mother Support Character
  • Shota Protagonist
  • Straight Shotacon
Rating 6.6852 Users
Zoku Mama Club
Zoku Mama Club
53%
Tags
  • Shota Protagonist
  • Straight Shotacon
  • Rimming Handjob
  • Sex at Work
  • Consumption of Pornography
Rating 6.2839 Users
Midara na Mansion
Midara na Mansion
52%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Tsuma x Heaven
Tsuma x Heaven
48%
Tags
  • Infidelity
  • Only Non-Virgin Heroines
  • Promiscuous Heroine
  • Adult Heroine
  • Naked Heroine with Apron
Rating 6.5722 Users
Mama! Tsuma?
Mama! Tsuma?
48%
Tags
  • Open Relationship
  • Protagonist's Non-blood-related Mother as a Heroine
  • Shota Protagonist
  • Straight Shotacon
  • Netorase
Rating 6.6574 Users
Boy Meets Wives
Boy Meets Wives
47%
Tags
  • Only Older Heroines
  • Lotion Play
  • Middle School Student Protagonist
  • Breast Smothering
  • Consumption of Pornography
Rating 6.7527 Users
Juicy Age
Juicy Age
45%
Tags
  • Oppai Loli Heroine
  • Shota Protagonist
  • Central Heroine
  • Heroine with Beauty Mark
  • Promiscuous Heroine
Rating 6.7738 Users
Mite Kudasaimasu?
Mite Kudasaimasu?
41%
Tags
  • Protagonist's Blood-related Mother as a Heroine
  • Blood-related Mother/Son Incest
  • Medical Doctor Heroine
  • Fingering
  • Infidelity
Rating 5.7033 Users
Yarasete! Teacher Change
Yarasete! Teacher Change
41%
Tags
  • Perverted Friend
  • Hetare Protagonist
  • Feet Licking
  • Shota Protagonist
  • School Life Comedy
Rating 6.4937 Users
Yarasete! Teacher
Yarasete! Teacher
38%
Tags
  • Straight Shotacon
  • School Nurse Support Character
  • Shota Protagonist
  • Perverted Protagonist
  • School
Rating 6.3131 Users
Mama Shibori 2 (Mama Shibori no Jijou)
Mama Shibori 2 (Mama Shibori no Jijou)
38%
Tags
  • Child Protagonist
  • Shota Protagonist
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Excessive Semen
Rating 7.3952 Users
Yagai Gakushuu 2
Yagai Gakushuu 2
37%
Tags
  • Shotacon Heroine
  • Blind Choices
  • Summer Camp
  • Straight Shotacon
  • Fictional Modern Day Japanese Island
Rating 6.5987 Users
Mama Club Sankan
Mama Club Sankan
37%
Tags
  • Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shotacon Heroine
  • Mother Support Character
  • Mother/Son Romance
Rating 6.9365 Users
Bokura no Himitsu Kichi Daisakusen ~Escape Hitonatsu no Omoide~
Bokura no Himitsu Kichi Daisakusen ~Escape Hitonatsu no Omoide~
35%
Tags
  • Exhibitionism
  • Promiscuity
  • Masturbation with Object
  • Transfer Student Protagonist
  • Heroine with a Fang
Rating 6.8040 Users
Mousugu Natsuyasumi!
Mousugu Natsuyasumi!
35%
Tags
  • Promiscuity
  • Consensual Group Sex of One Female and Several Males
  • Shota Protagonist
  • Shotacon Heroine
  • Straight Shotacon
Rating 6.38160 Users
Toshiue Lesson ~Mama to Oba-san to Sensei to~
Toshiue Lesson ~Mama to Oba-san to Sensei to~
35%
Tags
  • Obacon
  • Businesswoman Heroine
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Literary Adaptation
Rating 6.3921 Users
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
Gyaku Rape Joshi Ryou ~Semarikuru Onna-tachi ni Shiboritoraretsuzukeru Ore no Hakudakueki~
31%
Tags
  • Dormitory Manager Protagonist
  • Footjob
  • P.E. Teacher Heroine
  • Cheerleader Heroine
  • Principal Heroine
Rating 6.5831 Users
Shimai to no Amai Seikatsu
Shimai to no Amai Seikatsu
31%
Tags
  • Shimaidon
  • Only Protagonist's Sisters as Heroine(s)
  • Protagonist's Older Sister as a Heroine
  • Shimaidon Ending
  • Protagonist's Younger Sister as a Heroine
Rating 6.3321 Users
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
Ane ni mo Makezu ~Onee-chans wa Shigekiteki!~
30%
Tags
  • Heroine with Bodystocking
  • Oyakodon
  • Heroine with Leotard
  • School Sports Club Member Heroine
  • Protagonist's Blood-related Sister as a Heroine
Rating 6.2631 Users
Yagai Gakushuu
Yagai Gakushuu
30%
Tags
  • Summer Camp
  • Muted Obscenities
  • Promiscuity
  • Shotacon Heroine
  • Short Sexual Scenes
Rating 6.43216 Users
Ijikuri Mama 2
Ijikuri Mama 2
30%
Tags
  • Shotacon
  • Straight Shotacon
  • Protagonist's Blood-related Mother as a Heroine
  • Shota Protagonist
  • Blood-related Mother/Son Incest
Rating 5.4233 Users

Boku no "Natsuyasumi" Himitsu Taiken 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 (38 total)

NameScoreImportanceWeight
Landlady Heroine2.002.965.92
Straight Shotacon3.001.825.45
Blood-related Cousin Incest2.002.685.36
Blood-related Aunt/Nephew Incest2.002.354.70
Heroine with Tan Lines2.002.124.23
Onsen2.002.074.15
Chosen Choices Marking2.002.034.07
Shotacon2.002.014.02
Shota Protagonist2.001.853.70
Short Sexual Scenes2.001.823.65
Promiscuous Heroine2.001.753.50
Blowbang (One Mouth Multiple Penises)1.003.033.03
Big Breast Sizes Heroine2.001.312.62
Hotel1.002.322.32
Vaginal Object Insertion1.002.282.28
Adult Heroine2.001.132.27
Heroine with Glasses2.001.112.22
Group Sex of One Female and Several Males2.001.082.15
Naked Sprites2.001.052.10
High Sexual Content2.001.052.10
Outdoor Sex2.000.991.99
Sex on Toilet1.001.741.74
Miko Heroine1.001.711.71
High School Student Heroine2.000.851.69
Heroine with Big Breasts2.000.841.68
Facesitting1.001.651.65
Date Display1.001.491.49
Heroine with Pubic Hair1.001.481.48
Nukige2.000.651.30
Protagonist with a Face2.000.641.27
Sexual Content2.000.631.26
Single Handjob1.001.241.24
Single Boobjob1.001.151.15
Sixty-nine1.001.071.07
Single Blowjob1.000.950.95
Cunnilingus1.000.930.93
Multiple Endings1.000.670.67
ADV2.000.140.29

Traits (158 total)

NameCharactersImportanceWeight
Sex with Children Engages in (Sexual)52.494.46
Consensual Group Sex of One Female and Several Males Engages in (Sexual)42.483.99
Penile Masturbation Engages in (Sexual)22.452.69
Bodysponge Engages in (Sexual)22.382.62
Black Eyes51.422.54
Promiscuous Personality22.192.40
Incest Engages in (Sexual)41.472.36
Construction Worker Role13.342.31
Blowbang Subject of (Sexual)13.292.28
Relaxed Personality31.642.27
Open Relationship Engages in13.262.26
Rimming Handjob Subject of (Sexual)13.212.22
Blowbang (One Mouth Multiple Penises) Engages in (Sexual)13.202.22
Sex with Others Engages in (Sexual)21.992.19
Blowjob on Object Engages in (Sexual)13.152.18
Blowjob Subject of (Sexual)31.522.11
Energetic Personality31.522.11
Consensual Phone Sex Engages in (Sexual)13.032.10
Masturbation in front of an Audience Engages in (Sexual)21.902.09
Tanned Body21.902.09
Inn Manager Role12.922.02
Bodysponge Subject of (Sexual)12.892.00
Swinging Engages in12.892.00
Erotic Massage Engages in12.831.96
Handjob Subject of (Sexual)21.751.93
Bathroom Sex Engages in (Sexual)31.391.92
Spit-roast Subject of (Sexual)21.751.92
Kid Body31.371.90
Twin Boobjob Subject of (Sexual)12.681.85
Doggy Style Engages in (Sexual)21.681.85
Sex with Protagonist Only Engages in (Sexual)21.681.84
Seduction Subject of12.661.84
Baseball Cap Clothes12.581.79
Piledriver Engages in (Sexual)12.551.77
Quickie Fix Subject of (Sexual)41.081.74
Band-aid Clothes12.511.74
Cowgirl Subject of (Sexual)50.951.71
Consumption of Porn Engages in (Sexual)12.461.71
Masturbation with Object Engages in (Sexual)12.451.69
Spit-roast Engages in (Sexual)12.441.69
Friendly Personality31.221.69
Exhibitionist Role12.421.67
Helmet Clothes12.391.66
Aunt Role12.371.64
Sex involving Prostitution Engages in (Sexual)12.371.64
Reverse Missionary Engages in (Sexual)12.351.63
Facesitting Subject of (Sexual)12.351.63
Penis Growth Subject of12.331.62
Prostitute Role12.331.61
Outdoor Sex Engages in (Sexual)31.161.60
Tanline Body12.261.57
Tank Top Clothes21.411.55
Idiot Personality12.211.53
Masturbation Engages in (Sexual)21.391.53
Widow Role12.201.53
Anal Object Insertion Subject of (Sexual)12.191.51
Visible Nipples Body12.161.50
Competitive Personality12.151.49
Sundress Clothes12.141.49
Adult Body21.341.47
Consensual Porn Acting Engages in (Sexual)12.091.45
Flat Chest Body12.091.45
Miko Role12.091.45
Anal Fingering Engages in (Sexual)12.051.42
Anilingus Subject of (Sexual)12.041.42
Tall Body12.041.42
Sex on Toilet Engages in (Sexual)12.031.41
Butterfly Engages in (Sexual)12.021.40
Anal Beads Subject of (Sexual)12.011.39
Vaginal Object Insertion Subject of (Sexual)12.001.39
Male on Male Sex Engages in (Sexual)11.991.38
Facesitting Engages in (Sexual)11.971.37
Tomboy Personality11.961.36
Voyeurism Subject of11.951.35
Miko's Dress Clothes11.951.35
Mutual Masturbation Engages in (Sexual)11.941.34
Immature Personality11.931.34
Cosplay Engages in11.921.33
Group Sex of Multiple Females and Males Engages in (Sexual)11.911.32
Atashi Personality11.911.32
Part-time Worker Role11.901.32
Double Handjob Engages in (Sexual)11.891.31
Quickie Fix Engages in (Sexual)11.881.30
Cousin Role11.871.30
Black Hair40.801.29
Standing Sex Subject of (Sexual)21.181.29
Boobjob Subject of (Sexual)11.861.29
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Butterfly Subject of (Sexual)21.171.29
Discreet Sex Engages in (Sexual)11.851.29
Short-tempered Personality11.851.28
Honest Personality11.831.27
Handjob Engages in (Sexual)21.161.27
Blunt Personality11.831.27
Sitting Sex Engages in (Sexual)11.821.26
Mature Personality11.811.26
Brown Eyes30.901.25
Infidelity Engages in11.801.24
Boku Personality11.781.23
Missionary Subject of (Sexual)21.121.23
Bun Hair11.771.23
Blowjob Engages in (Sexual)40.761.22
Anal Sex Engages in (Sexual)11.761.22
Short Shorts Clothes11.751.21
Missionary Engages in (Sexual)11.741.21
Sports Shoes Clothes11.721.19
Cowgirl Engages in (Sexual)11.711.19
Hoodie Clothes11.701.18
Group Sex of One Female and Several Males Engages in (Sexual)11.701.18
Boobjob Engages in (Sexual)21.071.17
Mysterious Personality11.691.17
Carefree Personality11.681.17
Vaginal Masturbation Engages in (Sexual)11.681.16
Boots Clothes11.681.16
Crop Top Clothes11.661.15
Olive Body11.661.15
Muscular Body11.641.14
Reverse Cowgirl Subject of (Sexual)11.631.13
Shy Personality11.621.12
Vaginal Fingering Engages in (Sexual)11.621.12
University Student Role11.591.10
Brown Hair40.681.10
Kimono Clothes11.571.09
Sex in Water Engages in (Sexual)11.561.08
Older Sister Role11.561.08
Cunnilingus Engages in (Sexual)11.551.08
Refined Personality11.541.07
Hard Worker Personality11.541.07
Wife Role11.531.06
Sex in Front of an Audience Engages in (Sexual)11.501.04
French Kiss Engages in (Sexual)11.481.02
Sailor School Uniform Clothes11.481.02
Doggy Style Subject of (Sexual)20.921.02
Blouse Clothes11.461.01
Seventh Posture Subject of (Sexual)11.461.01
Smart Personality11.461.01
Daughter Role11.451.01
Shoulder-length Hair20.921.01
Not a Virgin Role11.410.98
Gloves Clothes11.410.98
Nipple Sucking Subject of (Sexual)11.380.96
Skirt Clothes11.340.93
Pubic Hair Hair11.340.93
Sex in Public Places Engages in (Sexual)11.260.87
Sixty-nine Engages in (Sexual)11.260.87
Friend Role11.200.83
Anal Sex Subject of (Sexual)11.190.82
Trousers Clothes11.190.82
Cunnilingus Subject of (Sexual)11.160.81
Ponytail Hair11.100.76
Glasses Clothes11.080.75
Kind Personality11.030.71
Sidehair Hair10.980.68
High School Student Role10.850.59
Virgin Sex Engages in (Sexual)10.850.59
Young-adult Body10.760.53
Long Hair10.750.52
Short Hair10.610.42