Summary

One day, when Tasuba turns on his PC, a lot of virus mails arrive and a PC monitor suddenly flashes. A while later, it disappears and a pretty girl comes out of the monitor. According to her, her name is Meira and she comes from his PC mail software. Due to his virus mails, the PC is now unworkable. To get rid of them, he needs to shower his semen to her.... Like this, his semen vaccine life with her and other virus-infected girls starts.... [From ErogeShop.com]

Yogatte! Oku-sama ~Yokkyuu Fuman na Mucchiri Tsuma-tachi~
Yogatte! Oku-sama ~Yokkyuu Fuman na Mucchiri Tsuma-tachi~
NAN%
Tags
  • Married Heroine
  • Infidelity
  • Sex in Front of an Audience
  • Linear Plot
  • Big Breast Sizes Heroine
Rating 6.6715 Users
Gratin
Gratin
NAN%
Tags
  • Protagonist's Half-sister as a Heroine
  • Low Fantasy
  • Only Protagonist's Sisters as Heroine(s)
  • Fairy Heroine
  • Episodic Story
Rating 7.1120 Users
In
In'yoku Celeb Tsuma 2 ~Chijoku Seisai~
NAN%
Tags
  • Sexual Slavery
  • Netori
  • Body Piercing
  • Married Heroine
  • Modern Day Japan
Rating 6.8521 Users
Angel Ring
Angel Ring
NAN%
Tags
  • Twitter
  • Middle School
  • Protagonist's Full Sister as a Heroine
  • Otaku Protagonist
  • Charming Protagonist
Rating 6.8868 Users
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
Zettai★Maou ~Boku no Mune-kyun Gakuen Saga~
NAN%
Tags
  • Monster Heroine
  • Foolish Parent Support Character
  • Maou Protagonist
  • Dungeon Crawling Game
  • Half-demon Protagonist
Rating 7.5638 Users
Cosscos! ~Anatagonomi no Cosplay H Shite Ageru~
Cosscos! ~Anatagonomi no Cosplay H Shite Ageru~
NAN%
Tags
  • Sex Involving Smegma
  • Shapeshifting
  • Ejaculation Forewarner
  • Pantyjob
  • Heroine with Intake Hairstyle
Rating 6.8827 Users
Marchen Sou ~Choppiri Zannen na Musume-tachi to Marchen☆Docking Zakkyo Seikatsu~
Marchen Sou ~Choppiri Zannen na Musume-tachi to Marchen☆Docking Zakkyo Seikatsu~
NAN%
Tags
  • Love Interest's Gender Choice
  • Trap Heroine
  • Chuunibyou Heroine
  • Discreet Masturbation
  • Heroine with Inverted Nipples
Rating 6.8245 Users
Doutei na Joshi-tachi to Boku ~Moshi Kari ni Man ga Ichi, Boku ga Ecchi ni Kyoumi Shinshin na Douteippoi Joshi Bakari Iru Sekai ni Itta to Shitara~
Doutei na Joshi-tachi to Boku ~Moshi Kari ni Man ga Ichi, Boku ga Ecchi ni Kyoumi Shinshin na Douteippoi Joshi Bakari Iru Sekai ni Itta to Shitara~
NAN%
Tags
  • No "Keep Voice on Click" Option
  • Former All-girls School
  • Student Council Member Protagonist
  • Panchira
  • Popular Protagonist
Rating 6.6946 Users
Soukan Yuugi 2
Soukan Yuugi 2
NAN%
Tags
  • P.E. Teacher Heroine
  • Non-blood-related Mother/Son Incest
  • Blood-related Aunt/Nephew Incest
  • Oyakodon
  • Protagonist's Aunt as a Heroine
Rating 6.9746 Users
Kimihagu
Kimihagu
NAN%
Tags
  • Protagonist's Senpai as a Heroine
  • Protagonist's Kouhai as a Heroine
  • Tomboy Heroine
  • Tsundere Heroine
  • Sex with Protagonist Only
Rating 6.9124 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
NAN%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.1220 Users
Chu x Chu Paradise ~Encore Live~
Chu x Chu Paradise ~Encore Live~
NAN%
Tags
  • Twin Bellyjob
  • Alternate Dimensions
  • Japanese Idols
  • Vampire Heroine
  • Elf Heroine
Rating 7.2129 Users
Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~
Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~
NAN%
Tags
  • Astronomy Club
  • School Nurse Heroine
  • Student-Teacher Romance
  • Modern Day Earth
  • Oneesan-type Heroine
Rating 6.6549 Users
Houkago ☆ Eroge Bu! ~Eroge Seisaku no Tame Onna no Ko to Ecchi Shimakuri na Mainichi~
Houkago ☆ Eroge Bu! ~Eroge Seisaku no Tame Onna no Ko to Ecchi Shimakuri na Mainichi~
NAN%
Tags
  • Student Club President Protagonist
  • Production of Pornography (Drawn)
  • Student Club Member Heroine
  • Censored Text
  • Design Story
Rating 7.2858 Users
Boku no xx wa Ryousei-tachi no Tokken Desu!
Boku no xx wa Ryousei-tachi no Tokken Desu!
NAN%
Tags
  • Dormitory Manager Protagonist
  • School Sports Club Member Heroine
  • Sprite Filter
  • Protagonist with Phimosis
  • Defloration During Common Route
Rating 6.8542 Users
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
NAN%
Tags
  • Fictional Modern Day Japanese Countryside
  • Reincarnation
  • Gynecologist Chair
  • New Game Plus
  • Heroine with Tan Lines
Rating 6.5729 Users
After...
After...
NAN%
Tags
  • Utsuge
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
  • School
  • Blood-related Brother/Sister Incest
Rating 6.5525 Users
Akibakei Kanojo
Akibakei Kanojo
NAN%
Tags
  • Otaku Protagonist
  • Incest Romance
  • Modern Day Akihabara
  • Genre Shift
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 6.8746 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
NAN%
Tags
  • Painter Protagonist
  • Heroine in Relationship with Other(s)
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
Rating 7.0231 Users
Harem x Scratch
Harem x Scratch
NAN%
Tags
  • Oneesan-type Heroine
  • School Nurse Support Character
  • Twin Footjob
  • Triple Boobjob
  • Smoker Heroine
Rating 6.8219 Users
Class Zen
Class Zen'in Ore no Yome ~"Watashi-tachi no Karada wa Anata no Mono" Joshi Zen'in Pet Sengen~
NAN%
Tags
  • Hetare Protagonist
  • Clothed Female Naked Male
  • Protagonist as the Only Male
  • Triple Blowjob
  • School Life Comedy
Rating 6.8626 Users
Tekoire Princess! ~Boku ga Mienai Kimi no Tame~
Tekoire Princess! ~Boku ga Mienai Kimi no Tame~
NAN%
Tags
  • Invisibility
  • Dogboy Hero
  • Hero from a Different World
  • Protagonist from a Different World
  • Kanji Puns
Rating 7.1628 Users
Hipparikko ~Shimai ga H Battle?!~
Hipparikko ~Shimai ga H Battle?!~
NAN%
Tags
  • Protagonist's Rival as a Heroine
  • Discreet Masturbation
  • Oppai Loli Heroine
  • Small Breast Sizes Heroine (Non-Loli)
  • Domicile
Rating 6.3920 Users
Dakkoshite Gyu! ~Ore no Yome wa Dakimakura~
Dakkoshite Gyu! ~Ore no Yome wa Dakimakura~
NAN%
Tags
  • Virtual Reality
  • Anthropomorphized Inanimate Object
  • Dream
  • AI Heroine
  • Childishly Violent Heroine
Rating 6.9424 Users
Damegane
Damegane
41%
Tags
  • Slice of Life Comedy
  • Straight Shotacon
  • Triple Boobjob
  • Protagonist with Voice Acting
  • Cousin Incest
Rating 6.4818 Users
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
Shikotama Slave ~Aruji de Shimai na Tenshi to Akuma~
38%
Tags
  • Transfer Student Heroine
  • Kemonomimi Support Character
  • Twin Footjob
  • Cock and Ball Torture
  • Kitsune Heroine
Rating 6.8722 Users
Houkago ☆ Eroge Bu! ~Eroge Seisaku no Tame Onna no Ko to Ecchi Shimakuri na Mainichi~
Houkago ☆ Eroge Bu! ~Eroge Seisaku no Tame Onna no Ko to Ecchi Shimakuri na Mainichi~
35%
Tags
  • Student Club President Protagonist
  • Production of Pornography (Drawn)
  • Student Club Member Heroine
  • Censored Text
  • Design Story
Rating 7.2858 Users
Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~
Tsuki wa Higashi ni Hi wa Nishi ni ~Operation Sanctuary~
32%
Tags
  • Astronomy Club
  • School Nurse Heroine
  • Student-Teacher Romance
  • Modern Day Earth
  • Oneesan-type Heroine
Rating 6.6549 Users
Chu x Chu Paradise ~Encore Live~
Chu x Chu Paradise ~Encore Live~
32%
Tags
  • Twin Bellyjob
  • Alternate Dimensions
  • Japanese Idols
  • Vampire Heroine
  • Elf Heroine
Rating 7.2129 Users
Kimihagu
Kimihagu
31%
Tags
  • Protagonist's Senpai as a Heroine
  • Protagonist's Kouhai as a Heroine
  • Tomboy Heroine
  • Tsundere Heroine
  • Sex with Protagonist Only
Rating 6.9124 Users
Aa, Subarashiki Haramasekai
Aa, Subarashiki Haramasekai
31%
Tags
  • Birthrate Decline
  • Spontaneous Sex Scenes
  • Future Japan
  • Police Officer Heroine
  • Unlockable Harem Ending
Rating 6.1220 Users
Doutei na Joshi-tachi to Boku ~Moshi Kari ni Man ga Ichi, Boku ga Ecchi ni Kyoumi Shinshin na Douteippoi Joshi Bakari Iru Sekai ni Itta to Shitara~
Doutei na Joshi-tachi to Boku ~Moshi Kari ni Man ga Ichi, Boku ga Ecchi ni Kyoumi Shinshin na Douteippoi Joshi Bakari Iru Sekai ni Itta to Shitara~
29%
Tags
  • No "Keep Voice on Click" Option
  • Former All-girls School
  • Student Council Member Protagonist
  • Panchira
  • Popular Protagonist
Rating 6.6946 Users
Soukan Yuugi 2
Soukan Yuugi 2
29%
Tags
  • P.E. Teacher Heroine
  • Non-blood-related Mother/Son Incest
  • Blood-related Aunt/Nephew Incest
  • Oyakodon
  • Protagonist's Aunt as a Heroine
Rating 6.9746 Users
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
Inakan ~Kiseki no Ikigami Power de Junboku Musume ni Love Chuunyuu♥~
29%
Tags
  • Fictional Modern Day Japanese Countryside
  • Reincarnation
  • Gynecologist Chair
  • New Game Plus
  • Heroine with Tan Lines
Rating 6.5729 Users
Akibakei Kanojo
Akibakei Kanojo
28%
Tags
  • Otaku Protagonist
  • Incest Romance
  • Modern Day Akihabara
  • Genre Shift
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 6.8746 Users
Harem x Scratch
Harem x Scratch
28%
Tags
  • Oneesan-type Heroine
  • School Nurse Support Character
  • Twin Footjob
  • Triple Boobjob
  • Smoker Heroine
Rating 6.8219 Users
Tekoire Princess! ~Boku ga Mienai Kimi no Tame~
Tekoire Princess! ~Boku ga Mienai Kimi no Tame~
28%
Tags
  • Invisibility
  • Dogboy Hero
  • Hero from a Different World
  • Protagonist from a Different World
  • Kanji Puns
Rating 7.1628 Users
Dakkoshite Gyu! ~Ore no Yome wa Dakimakura~
Dakkoshite Gyu! ~Ore no Yome wa Dakimakura~
27%
Tags
  • Virtual Reality
  • Anthropomorphized Inanimate Object
  • Dream
  • AI Heroine
  • Childishly Violent Heroine
Rating 6.9424 Users
Binary Pot
Binary Pot
27%
Tags
  • Waitress Heroine
  • Fictional World
  • Ponytail Heroine
  • Twin Tail Heroine
  • Branching Plot
Rating 6.1727 Users
Hatsujou Exorcist! ~Harau to Hatsujou Suru Ojou-sama ni Tsukaetemasu.~
Hatsujou Exorcist! ~Harau to Hatsujou Suru Ojou-sama ni Tsukaetemasu.~
27%
Tags
  • Yuki-onna Heroine
  • Butler Protagonist
  • Dragon Heroine
  • Exorcism
  • Sex Under the Necessity
Rating 6.6533 Users
3jigen Shoujo o Hogo Shimashita
3jigen Shoujo o Hogo Shimashita
27%
Tags
  • Family Life Comedy
  • Otaku Protagonist
  • Nympho Heroine
  • Modern Day
  • Blood-related Brother/Sister Incest
Rating 6.6233 Users
Bukkake!! ~Senpai wa Milk Mamire~
Bukkake!! ~Senpai wa Milk Mamire~
27%
Tags
  • Student Council Member Protagonist
  • Protagonist's Senpai as a Heroine
  • Sadist Heroine
  • Heroine with Tan Lines
  • Armpit Sex
Rating 5.6520 Users
Toraba!
Toraba!
27%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Aido Hentai Choukyou Club
Aido Hentai Choukyou Club
27%
Tags
  • Student Club Member Heroine
  • Heroine with Garter Belt
  • Buttjob
  • Student Club Member Protagonist
  • Triple Boobjob
Rating 7.0723 Users
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
Gakushoku no Oba-san ~Kaa-san no Shiru no Aji~
26%
Tags
  • Unbeknown Incest
  • Yamato Nadeshiko Heroine
  • Heroine with Children
  • Cook Heroine
  • Mother/Son Romance
Rating 7.3258 Users
Toki o Kanaderu Waltz
Toki o Kanaderu Waltz
26%
Tags
  • Dragon Heroine
  • Shimaidon with Twins
  • Sex Under the Necessity
  • Protagonist with Sexual Experience
  • Straight Lolicon
Rating 7.0024 Users
Hinatarte ~Hinatabokko Fandisc~
Hinatarte ~Hinatabokko Fandisc~
26%
Tags
  • Heroine with Jeans
  • Protagonist's Aunt as a Heroine
  • Blood-related Sister/Sister Incest
  • Protagonist's Sister as a Heroine
  • Waitress Heroine
Rating 6.4627 Users
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
Miko-san to Issho! ~Ikenai Gohoushi Funsenki~
26%
Tags
  • Protagonist's Full Sister as a Heroine
  • Triple Blowjob
  • Miko Heroine
  • No Common Sense Heroine
  • Naizuri
Rating 6.4833 Users

Semen Security 2009 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 (48 total)

NameScoreImportanceWeight
Non-human Heroine3.002.076.21
Anthropomorphized Inanimate Object2.002.575.14
Robots2.002.404.79
Heroine with Zettai Ryouiki3.001.404.21
Domicile2.002.024.05
Sex Under the Necessity2.001.993.97
Otaku Heroine2.001.823.64
Kuudere Heroine2.001.703.40
Heroine with Ahoge2.001.683.36
Tsundere Heroine2.001.412.82
Modern Day Japan2.001.332.66
Student Protagonist2.001.272.54
Loli Heroine2.001.192.39
Twin Tail Heroine2.001.182.36
Sex with Protagonist Only2.001.132.27
Naizuri1.002.242.24
Quickie Fix Position2.001.122.24
Comedy2.001.112.22
Sitting Sex2.001.062.12
Standing Sex2.001.062.12
High Sexual Content2.001.062.12
Student Heroine2.001.002.01
Outdoor Sex2.001.002.00
Boobs on Glass1.001.911.91
Missionary Position2.000.951.90
Nukige2.670.651.75
High School Student Heroine2.000.851.70
Cowgirl2.000.841.69
Naked Heroine with Apron1.001.681.68
Doggy Style2.000.811.62
Piledriver1.001.601.60
Defloration2.000.771.53
Spoons1.001.501.50
Anal Fingering1.001.481.48
Sex in Water1.001.411.41
Multiple Endings2.000.671.34
Vibrators1.001.161.16
Sixty-nine1.001.081.08
Naked Sprites1.001.061.06
Cunnilingus1.000.930.93
Group Sex of One Male and Several Females1.000.910.91
Male Protagonist2.000.300.61
Lolicon0.331.750.58
Boobjob0.331.340.44
Big Breast Sizes Heroine0.331.330.44
Blowjob0.331.140.37
ADV2.000.150.29
Sexual Content0.330.640.21

Traits (105 total)

NameCharactersImportanceWeight
Anthropomorphized Inanimate Object Role42.674.30
Group Sex Engages in (Sexual)41.552.50
Braided Odango Hair13.252.25
Big Breast Sizes Body31.612.23
Naked Clothes21.952.14
Butterfly Subject of (Sexual)51.172.10
Pink Rotor Subject of (Sexual)21.842.02
Honest Personality21.832.01
Hair Ribbon Clothes21.811.99
Boots Clothes21.681.84
Perfectionist Personality12.621.82
Arm Warmers Clothes12.581.79
Naizuri Engages in (Sexual)12.581.78
Sex while Being Pregnant Engages in (Sexual)21.541.69
Serious Personality21.481.63
Kuudere Personality12.351.63
Half-naked Clothes12.341.62
Computering Engages in12.331.61
Lolita Clothes12.281.58
Necktie Clothes31.121.55
Food Play Engages in (Sexual)12.241.55
Hairpin Clothes21.411.55
Tareme Eyes31.111.54
Knee-high Socks Clothes21.391.53
Boobs on Glass Subject of (Sexual)12.161.50
Vaginal Fingering Subject of (Sexual)31.081.49
Boobjob Engages in (Sexual)31.071.49
Sitting Sex Subject of (Sexual)31.061.47
Court Shoes Clothes12.101.45
Short (obsolete) Body12.061.43
Small Breast Sizes Body12.061.43
Otaku Personality12.041.42
Docile Personality12.041.42
Dress Shoes Clothes12.011.40
Sixty-nine Engages in (Sexual)21.261.39
Dress Clothes21.261.38
Blowjob Engages in (Sexual)50.761.37
Over The Knee Socks Clothes11.961.36
Classmate Role21.231.35
Immature Personality11.931.34
Airhead Personality11.921.33
Cowgirl Subject of (Sexual)30.951.32
Ribbon Hair Tie Clothes21.201.32
Naked Apron Clothes11.881.30
Tsundere Personality11.881.30
Standing Sex Subject of (Sexual)21.171.29
Doggy Style Subject of (Sexual)30.921.28
Detached Sleeves Clothes11.821.26
Twin Tails Hair21.141.25
Footjob Engages in (Sexual)11.721.19
Quickie Fix Subject of (Sexual)21.081.19
Outgoing Personality11.711.18
Proactive Personality11.711.18
Virgin Sex Engages in (Sexual)30.851.18
Anal Fingering Subject of (Sexual)11.711.18
Reserved Personality11.711.18
Stoic Personality11.701.18
Naive Personality11.681.17
Shorts Clothes11.681.16
Spoons Subject of (Sexual)11.671.15
Ribbon Hair Accessory Clothes11.661.15
Thigh-high Stockings Clothes21.051.15
Popular Role11.641.13
Shy Personality11.621.12
Lactation Engages in11.591.10
Clothing with Ribbons Clothes11.591.10
Sex in Water Engages in (Sexual)11.561.08
Energetic Personality11.521.05
Maid's Dress Clothes11.511.05
Pissing Engages in (Sexual)11.471.02
Headband Clothes11.451.01
Cooking Engages in11.420.98
Blond Hair20.890.98
V Bangs Hair11.410.98
Kid Body11.380.95
High School Student Role20.860.95
Slim Body40.570.92
Ahoge Hair11.330.92
Red Hair11.320.92
Curtained Hair11.300.90
Waist Length+ Hair20.820.90
Blue Eyes20.810.88
Ribbon Tie Clothes11.260.87
Teen Body30.620.86
Parted in Middle Hair11.240.86
School Uniform Clothes20.770.84
Friendly Personality11.210.84
Red Eyes11.200.83
Blue Hair11.200.83
Young-adult Body20.750.83
Anal Sex Subject of (Sexual)11.190.82
Trousers Clothes11.180.82
Outdoor Sex Engages in (Sexual)11.160.80
Cunnilingus Subject of (Sexual)11.160.80
Miniskirt Clothes11.060.74
Violet Eyes11.050.73
Parted to Side Hair11.040.72
Pale Body60.370.71
Green Eyes11.020.71
Spiky Bangs Hair10.990.69
Sidehair Hair10.980.68
Shoulder-length Hair10.920.64
Long Hair10.750.52
Brown Hair10.690.48
40.000.00