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Summary

It seems like it could be found anywhere...an ordinary coeducational school. However, for several decades now, this school has been the site of a battle between men and women. "SEX War'' is a serious battle that stakes the existence of men and women. A world where the only option is to defeat the other through sex. The main character enrolled in such a school with his childhood friend. "I am... your enemy" A declaration of war from a childhood friend! A female honeypot that attacks! Unavoidable! ? A collision is inevitable! ? --The genital showdown is about to begin... [Translated from DLsite]

Natsu Doki!
Natsu Doki!
NAN%
Tags
  • Heroine with a Sundress
  • Sunflowers
  • Nude Filter
  • Maid Support Character
  • Defloration During Common Route
Rating 7.2632 Users
Shotamane Boku ga Manager ni Natta Wake
Shotamane Boku ga Manager ni Natta Wake
NAN%
Tags
  • Protagonist as the Only Male
  • School Sports Club Member Heroine
  • Tennis Club
  • Straight Shotacon
  • Sports
Rating 6.6126 Users
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
Futari no Aniyome ~Miryokuteki na Aniyome-tachi to Doukyo Suru Koto ni Natta Hibi no Tenmatsu~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Domicile
  • Pregnancy Ending
  • Netori
  • Big Breast Sizes Heroine
Rating 6.7831 Users
Himegoto Union Motto H!
Himegoto Union Motto H!
NAN%
Tags
  • Reverse Trap Heroine
  • Shimaidon
  • Linear Plot
  • Twin Handjob
  • Soapy Massage
Rating 7.3321 Users
boin
boin
NAN%
Tags
  • Protagonist's Boss as a Heroine
  • Medical Doctor Heroine
  • Protagonist's Cousin as a Heroine
  • Heroine with Beauty Mark
  • Teacher Protagonist
Rating 7.4551 Users
Jukubo Gui ~Moto Guradoru no Okaa-san~
Jukubo Gui ~Moto Guradoru no Okaa-san~
NAN%
Tags
  • Blackmail
  • Sexual Devices
  • Threesome Ending
  • Naked Heroine with Apron
  • Netori
Rating 7.3225 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 6.9744 Users
Toraba!
Toraba!
NAN%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
NAN%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6134 Users
To~mei Heaven! ~Toumei Ningen ni Natte Bishoujo-tachi o Momi Makuri!!~
To~mei Heaven! ~Toumei Ningen ni Natte Bishoujo-tachi o Momi Makuri!!~
NAN%
Tags
  • Invisibility
  • Sexually Oblivious Heroine
  • Mischievous Protagonist
  • School Life Comedy
  • Short Common Route
Rating 6.7322 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
NAN%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 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
Pure x Lover -Ane to Osananajimi to H na Kankei-
Pure x Lover -Ane to Osananajimi to H na Kankei-
NAN%
Tags
  • Quadruple+ Blowjob
  • Urethral Intercourse
  • Reverse Piledriver
  • Sadist Heroine
  • Blood-related Mother/Daughter Incest
Rating 6.6229 Users
Noroware Kyoushitsu ~Kounai Itsudemo Dokodemo Yaranakucha?!~
Noroware Kyoushitsu ~Kounai Itsudemo Dokodemo Yaranakucha?!~
NAN%
Tags
  • Class President Heroine
  • Curse
  • Anal Plug Tail
  • Sex at School
  • Used Condoms Exposition
Rating 7.1225 Users
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
Aniyome Saimin Appli Ochi ~Yokkyuu Fuman no Aniyome ni Saimin Appli o Tsukattara Rippa na Nikubenki ni Narimashita~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Gang
  • Erotic Mind Control
  • Married Heroine
  • Big Breast Sizes Heroine
Rating 6.2425 Users
Saimin Paranoia
Saimin Paranoia
NAN%
Tags
  • Chikan Protagonist
  • Molestation on Public Transport
  • Gyaru Heroine
  • Erotic Mind Control
  • Sex in a Vehicle
Rating 6.4125 Users
Senpai - Oppai - Kako ni Modori Pai ~Ano Hi, Ano Toki, Sex Shiteokeba Yokatta~
Senpai - Oppai - Kako ni Modori Pai ~Ano Hi, Ano Toki, Sex Shiteokeba Yokatta~
NAN%
Tags
  • Skin Color Selection
  • Hero(ine) Selection
  • Time Travel
  • Protagonist's Senpai as a Heroine
  • Unlockable Harem Ending
Rating 7.4356 Users
Midara na Mansion
Midara na Mansion
NAN%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
Najimi no Oba-chan ~Batsuichi Jukujo to Inran Miboujin~
NAN%
Tags
  • Widow Heroine
  • Heroine with Armpit Hair
  • Heroine with Kimono
  • Dildos
  • Rope Bondage
Rating 6.8822 Users
Mukotori Juuban Shoubu!
Mukotori Juuban Shoubu!
NAN%
Tags
  • Kendo Club
  • Gokkun
  • Oneesan-type Heroine
  • Otaku Heroine
  • Classic Tsundere Heroine
Rating 6.7221 Users
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
Hitozuma Onna Kyoushi Seiyoku no Kyoushitsu 2
NAN%
Tags
  • Heroine with Children
  • Heroine with Pubic Hair
  • Oyakodon Ending
  • Big Ass Heroine
  • Sexual Cosplay
Rating 6.1022 Users
Breed! Breed-Island.
Breed! Breed-Island.
NAN%
Tags
  • Childishly Violent Heroine
  • Island
  • Oneesan-type Heroine
  • Heroine with Bodystocking
  • Shimaidon with Twins Ending
Rating 6.6723 Users
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
Hitozuma ga Wakai Juuyoku ni Otosareru Toki
NAN%
Tags
  • Netorare Type A
  • Masturbation Involving Food
  • Voyeurism
  • Shotacon
  • Discreet Phone Sex
Rating 6.8824 Users
Anata to Mita Sakura ~Shimaizuma~
Anata to Mita Sakura ~Shimaizuma~
NAN%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Hetare Protagonist
  • Pantyjob
  • Widow Heroine
  • Heroine with Kimono
Rating 6.9021 Users
Ijikuri Mama 3
Ijikuri Mama 3
33%
Tags
  • Unavoidable Harem Ending
  • Heroine with Tan Lines
  • Shotacon
  • Inbreeding
  • Protagonist's Blood-related Mother as a Heroine
Rating 5.6925 Users
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
Nozoki Seikatsu ~Bijin Oyako no Ana to Ana!~
32%
Tags
  • Voyeurism
  • Blood-related Aunt/Nephew Incest
  • Fictional Modern Day Japanese Countryside
  • Protagonist's Aunt as a Heroine
  • Masturbation with Object
Rating 5.8421 Users
Noroware Kyoushitsu ~Kounai Itsudemo Dokodemo Yaranakucha?!~
Noroware Kyoushitsu ~Kounai Itsudemo Dokodemo Yaranakucha?!~
32%
Tags
  • Class President Heroine
  • Curse
  • Anal Plug Tail
  • Sex at School
  • Used Condoms Exposition
Rating 7.1225 Users
Pure x Lover -Ane to Osananajimi to H na Kankei-
Pure x Lover -Ane to Osananajimi to H na Kankei-
31%
Tags
  • Quadruple+ Blowjob
  • Urethral Intercourse
  • Reverse Piledriver
  • Sadist Heroine
  • Blood-related Mother/Daughter Incest
Rating 6.6229 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~
30%
Tags
  • Student Club President Protagonist
  • Production of Pornography (Drawn)
  • Student Club Member Heroine
  • Censored Text
  • Design Story
Rating 7.2858 Users
To~mei Heaven! ~Toumei Ningen ni Natte Bishoujo-tachi o Momi Makuri!!~
To~mei Heaven! ~Toumei Ningen ni Natte Bishoujo-tachi o Momi Makuri!!~
30%
Tags
  • Invisibility
  • Sexually Oblivious Heroine
  • Mischievous Protagonist
  • School Life Comedy
  • Short Common Route
Rating 6.7322 Users
Yarasete! Teacher Sotsugyou
Yarasete! Teacher Sotsugyou
30%
Tags
  • Only Older Heroines
  • Heroine with Glasses
  • Single Ending
  • Teacher Heroine
  • Student Protagonist
Rating 5.9925 Users
Toraba!
Toraba!
30%
Tags
  • Romancing a Family
  • Swimming Club
  • Class President Heroine
  • Foolish Friend
  • Oyakodon Ending
Rating 6.8824 Users
Hani Tsuma Hs ~After Wedding~
Hani Tsuma Hs ~After Wedding~
30%
Tags
  • Deredere Heroine
  • Cousin Romance
  • Student-Teacher Romance
  • Class President Heroine
  • Impregnation
Rating 7.6134 Users
Saimin Paranoia
Saimin Paranoia
30%
Tags
  • Chikan Protagonist
  • Molestation on Public Transport
  • Gyaru Heroine
  • Erotic Mind Control
  • Sex in a Vehicle
Rating 6.4125 Users
Midara na Mansion
Midara na Mansion
29%
Tags
  • Janitor Protagonist
  • Promiscuous Heroine
  • Apartment Building
  • Married Heroine
  • Adult Heroine
Rating 6.7121 Users
Mukotori Juuban Shoubu!
Mukotori Juuban Shoubu!
29%
Tags
  • Kendo Club
  • Gokkun
  • Oneesan-type Heroine
  • Otaku Heroine
  • Classic Tsundere Heroine
Rating 6.7221 Users
Breed! Breed-Island.
Breed! Breed-Island.
29%
Tags
  • Childishly Violent Heroine
  • Island
  • Oneesan-type Heroine
  • Heroine with Bodystocking
  • Shimaidon with Twins Ending
Rating 6.6723 Users
Anata to Mita Sakura ~Shimaizuma~
Anata to Mita Sakura ~Shimaizuma~
29%
Tags
  • Protagonist's Sister-in-Law as a Heroine
  • Hetare Protagonist
  • Pantyjob
  • Widow Heroine
  • Heroine with Kimono
Rating 6.9021 Users
Dedenden!
Dedenden!
29%
Tags
  • Technician Heroine
  • Merchant Heroine
  • Shopkeeper Heroine
  • Amnesiac Heroine
  • Spy Heroine
Rating 6.8530 Users
Chocolate Princess! ~Ingoku no!? Homestay~
Chocolate Princess! ~Ingoku no!? Homestay~
28%
Tags
  • Huge Insertion
  • Mermaid Heroine
  • Gaping
  • Inflation
  • Heroine with Visible Panties
Rating 6.9427 Users
Motto Motto, Sakura♥ ~Kaa-san no Milk~
Motto Motto, Sakura♥ ~Kaa-san no Milk~
28%
Tags
  • Protagonist's Non-blood-related Mother as a Heroine
  • Only Protagonist's Relatives as Heroine(s)
  • Non-blood-related Mother/Son Incest
  • Only Older Heroines
  • Short Sexual Scenes
Rating 7.2721 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
27%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
Ero Onsen ~Shinjin Okami no Machigaidarake no Omotenashi~
27%
Tags
  • Rounin Protagonist
  • Onsen
  • Consensual Group Sex of One Female and Several Males
  • Tribadism on Penis
  • Soapy Massage
Rating 6.9620 Users
Chikan Ou ~In
Chikan Ou ~In'yoku no Kaihousha~
27%
Tags
  • Chikan Protagonist
  • Chikan
  • Glory Hole Sex
  • Molestation on Public Transport
  • Discreet Sex
Rating 6.0021 Users
Demiparadoxia ∞ Hookerstic - Nanka Hen
Demiparadoxia ∞ Hookerstic - Nanka Hen
27%
Tags
  • Prostitute Heroine
  • Pubic Hair Option
  • Hotel
  • Customization
  • Sex Involving Prostitution
Rating 6.1828 Users
Swindle
Swindle
27%
Tags
  • Blind Heroine
  • Rape by Deception
  • Gauge Display
  • Hospital
  • Armpit Licking
Rating 7.0521 Users
Ore ga Aishita Hitozuma ~Emiko~
Ore ga Aishita Hitozuma ~Emiko~
27%
Tags
  • Completely Avoidable Rape
  • Heroine with Huge Breasts
  • Pregnancy Ending
  • Soapy Massage
  • Love Hotel
Rating 6.5634 Users
Jokuaku Saimin 180 Byou ~Me ga Sametara Hishojo ni Natteita~
Jokuaku Saimin 180 Byou ~Me ga Sametara Hishojo ni Natteita~
26%
Tags
  • Revenge
  • Public Use (Choukyou or Non-Consensual)
  • Erotic Mind Control
  • Athlete Heroine
  • Spreader Bar
Rating 6.2623 Users

Sex Sensou ~Ai Aru Ecchi wa Kinshi Desu!~ 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 (17 total)

NameScoreImportanceWeight
Protagonist's Rival as a Heroine2.002.354.71
Heroine with Tan Lines2.002.124.24
Colored Name-tags3.001.223.67
High Sexual Content3.001.053.16
Pregnancy2.001.533.05
Pregnant Sex2.001.182.36
Blowjob2.001.122.25
High School Student Heroine2.000.851.69
Cowgirl2.000.841.68
Urination Fetish1.001.671.67
Doggy Style2.000.811.61
Defloration2.000.761.52
Sex in Water1.001.411.41
Boobjob1.001.331.33
Nukige2.000.651.30
Twin Blowjob1.001.291.29
ADV3.000.140.43

Traits (84 total)

NameCharactersImportanceWeight
Sex Involving Menstruation Engages in (Sexual)23.403.73
Mini Hat Clothes22.612.87
School Kendo Club President Role13.632.51
Tanline Body22.262.48
Tenth Grader Role22.192.40
Regenerative Hymen Engages in (Sexual)13.412.37
Sundress Clothes22.142.35
Masculine Speech Personality13.282.27
Eleventh Grader Role21.892.08
Short (obsolete) Body21.872.06
Thigh-high Stockings Clothes61.042.03
Necktie Clothes51.122.00
Uwabaki Clothes12.871.99
Micro Mini Shorts Clothes12.851.98
Side Tail Hair21.751.92
Sewing Engages in12.771.92
Disciplinarian Personality12.771.92
Reverse Missionary Subject of (Sexual)21.741.91
Reverse Piledriver Subject of (Sexual)12.651.84
Ribbon Hair Accessory Clothes21.661.82
Kendo Engages in12.581.79
New Type School Swimsuit Clothes12.531.75
Gardening Engages in12.451.70
Violet Eyes41.051.69
Violet Hair31.201.66
Helmet Clothes12.391.66
Flower Clothes12.301.59
School Uniform Clothes70.761.57
Rubber Band With Beads Clothes12.231.55
Pleated Skirt Clothes21.401.53
Knee-high Socks Clothes21.381.52
Quickie Fix Subject of (Sexual)31.081.50
Charismatic Personality12.161.50
Teal Hair12.161.50
Armband Clothes12.151.49
Off-The-Shoulder Shirt Clothes12.141.49
Pink Hair21.331.46
Waist Length+ Hair50.811.45
T-shirt Clothes21.311.44
Twelfth Grader Role12.071.43
Short Body12.071.43
Teen Body90.621.42
Hime Cut Hair12.021.40
Yamato Nadeshiko Role12.001.38
Cleaning Engages in11.991.38
Ojousama Role11.951.35
Slim Body90.581.33
Tanned Body11.901.32
Fang Body11.881.30
Blunt Personality11.831.27
Mature Personality11.811.26
Tareme Eyes21.111.22
Cheerful Personality11.741.20
Sport Bloomers Clothes11.721.19
Miniskirt Clothes21.061.17
Cyan Eyes11.671.15
Parted to Side Hair21.051.15
No Bangs Hair11.651.14
Mini-dress Clothes11.641.13
Popular Role11.641.13
Amber Eyes21.031.13
Reverse Cowgirl Subject of (Sexual)11.631.13
Pink Eyes11.621.12
Clothing with Ribbons Clothes11.581.10
Bracelet Clothes11.561.08
Energetic Personality11.521.05
Orange Hair11.511.05
Long Hair30.751.04
Straight Hair20.941.04
Pantyhose Clothes11.430.99
Cooking Engages in11.420.98
Blunt Bangs Hair11.400.97
Wavy Hair11.360.94
High School Student Role20.850.94
Ahoge Hair11.320.92
Red Hair11.320.92
Childhood Friend Role11.260.87
Pale Body80.370.81
Kind Personality11.030.71
Green Eyes11.020.71
Blond Hair10.890.62
Brown Hair10.680.47
Short Hair10.610.42
30.000.00