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Summary

Touma Kojirou was just a regular, ordinary detective, investigating suspicions of adultery and finding lost pets until one day, his little sister brings her friend in as a client. As her theater troupe prepares for their performance of “Phantom of the Opera”, a real phantom threatens to end their production! Will you be able to uncover the identity of this masked assailant before its too late?! Or will you be too busy banging every member of the cast?! Find out, when the curtain rises! [From MangaGamer]

Yome no Imouto to no In
Yome no Imouto to no In'ai ~Tsuma ni Kakurete Majiwaru Otto to Gimai~
0%
Tags
  • Secret Romance
  • Reverse NTR
  • Protagonist's Sister-in-Law as a Heroine
  • Heroine with Huge Breasts
  • Infidelity
Rating 5.64240 Users
Harukoi * Otome ~Otome no Sono de Gokigen
Harukoi * Otome ~Otome no Sono de Gokigen'you.~
0%
Tags
  • Onna Bugeisha Heroine
  • Former All-girls School
  • Slapstick
  • Foolish Friend
  • Cafe
Rating 6.60530 Users
Furifure
Furifure
0%
Tags
  • Sexual Corruption
  • Rape by Deception
  • Social Networking Service
  • Only One Good Ending
  • Defloration During Common Route
Rating 6.02555 Users
Magical Marriage Lunatics!!
Magical Marriage Lunatics!!
0%
Tags
  • Succubi
  • Protagonist's Rival as a Heroine
  • Reunion
  • Hero(ine) Selection
  • Childhood Promise
Rating 6.96596 Users
Kiss&Crisis
Kiss&Crisis
0%
Tags
  • Police
  • Office Lady Heroine
  • Espionage
  • Spy Protagonist
  • Heroine with Tights
Rating 6.5427 Users
Maman Kyoushitsu ~Mirai no H na Obenkyou~
Maman Kyoushitsu ~Mirai no H na Obenkyou~
0%
Tags
  • Human Childbirth
  • Quiz Game
  • Pregnancy Good Ending
  • Divorcee Heroine
  • Hospital
Rating 6.69428 Users
Furifure 2
Furifure 2
0%
Tags
  • Social Networking Service
  • Sexual Corruption
  • Unbeknown Incest
  • Secret Romance
  • Evil Route
Rating 6.52391 Users
Osananajimi wa Daitouryou ~My Girlfriend is the President.~ Fandisc
Osananajimi wa Daitouryou ~My Girlfriend is the President.~ Fandisc
0%
Tags
  • Sex with Protagonist Only
  • Student Council Member Protagonist
  • Russian Heroine
  • Interracial Romance
  • Floating Textbox
Rating 6.74640 Users
Tsugou no Ii Kanojo
Tsugou no Ii Kanojo
0%
Tags
  • Popular Protagonist
  • Ejaculation Forewarner
  • Narrating Others' Thoughts
  • Masochist Heroine
  • Class President Heroine
Rating 6.5924 Users
Natsuiro Mikan ~Ecchi na Shoujo to Shitataru Nioi~
Natsuiro Mikan ~Ecchi na Shoujo to Shitataru Nioi~
0%
Tags
  • Homecoming
  • Heroine with Tan Lines
  • All Loli Heroines
  • Amnesia
  • Promiscuous Heroine
Rating 6.01337 Users
Minna Daisuki Kozukuri Banchou
Minna Daisuki Kozukuri Banchou
0%
Tags
  • Human Childbirth
  • Crippled Heroine
  • Polygamy
  • Competition
  • Comedy Rape
Rating 6.56654 Users
Neko-nin exHeart
Neko-nin exHeart
0%
Tags
  • Interracial Romance
  • Kunoichi Heroine
  • Brief Branches Only
  • Catgirl Heroine
  • Unarmed Fighting Heroine
Rating 6.38530 Users
Ore no Imouto wa Seijun Bitch ~Oya ni wa Himitsu no Hamehame Seikatsu~
Ore no Imouto wa Seijun Bitch ~Oya ni wa Himitsu no Hamehame Seikatsu~
0%
Tags
  • Only One Bad Ending
  • Only One Good Ending
  • Heroine Having Sex with Others
  • No Virgin Heroines
  • Heroine in Relationship with Other(s)
Rating 6.4524 Users
Sugar
Sugar's Delight
0%
Tags
  • Lesbian Sex Only
  • Cook Heroine
  • Cook Protagonist
  • Food Play
  • Baker Heroine
Rating 6.01634 Users
Love Death 3 ~Realtime Lovers~
Love Death 3 ~Realtime Lovers~
0%
Tags
  • Stereoscopic
  • Realtime 3D
  • Breast Expansion
  • Kemonomimi Heroine
  • More Than Seven Heroines
Rating 6.1321 Users
Cosutte Alien -Yuuwaku no Cosplay H-
Cosutte Alien -Yuuwaku no Cosplay H-
0%
Tags
  • Rabbitgirl Heroine
  • Catgirl Heroine
  • Alien Heroine
  • Royal Heroine
  • Princess Heroine
Rating 5.51260 Users
Lancaster Boarding House
Lancaster Boarding House
0%
Tags
  • Sudden Girlfriend Appearance
  • Boarding School
  • Boarding House
  • Heroine Sisters
  • Pre-rendered 3D Graphics
Rating 6.2523 Users
Momoiro Closet
Momoiro Closet
0%
Tags
  • Perverted Heroine
  • Otaku Heroine
  • Comic Convention
  • Dirty Talk
  • Sister Support Character
Rating 6.70411 Users
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
Yu no Mura Harem ~Kyonyuu Haramase Onsen Taizai Ki~
0%
Tags
  • Farmer Heroine
  • All Adult Heroines
  • Twin Buttjob
  • Cousin Incest
  • Adult Breast Feeding
Rating 6.7828 Users
Koi iro Chu! Lips
Koi iro Chu! Lips
0%
Tags
  • Cupid Heroine
  • Sudden Girlfriend Appearance
  • Gardening Club
  • Perverted Friend
  • Rabbitgirl Heroine
Rating 6.16317 Users
NinNinDays
NinNinDays
0%
Tags
  • No "Keep Voice on Click" Option
  • Kunoichi Heroine
  • Highly Animated Sprites
  • Sex with Protagonist Only
  • Slice of Life
Rating 6.46160 Users
Shinigami no Kiss wa Wakare no Aji
Shinigami no Kiss wa Wakare no Aji
0%
Tags
  • Shinigami Heroine
  • Heisei Era
  • Talking Animal
  • Pet Support Character
  • Varied Title Screens
Rating 6.901,212 Users
Kyonyuu Maid Nakadashi Tengoku!
Kyonyuu Maid Nakadashi Tengoku!
0%
Tags
  • Maid Heroine
  • Only a Single Heroine
  • Reverse Cowgirl
  • Female Ejaculation
  • Standing Sex
Rating 5.8860 Users
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
Nise Bitch ~Riajuu Butte mo Pure de Ichizu na Osananajimi ni H na Kozukuri Lesson~
0%
Tags
  • Nympho Heroine
  • Cosplay
  • Footjob
  • Spoons
  • Impregnation
Rating 6.2620 Users
Nakadashi Spy no Sounyuu Sousa -Shikyuu no Heiwa wa Ore ga Mamoru!-
Nakadashi Spy no Sounyuu Sousa -Shikyuu no Heiwa wa Ore ga Mamoru!-
23%
Tags
  • Protagonist's Opponent as a Heroine
  • Spy Protagonist
  • Heroine with Catsuit
  • Parody
  • Protagonist with Sexual Experience
Rating 5.75309 Users
Todoroke Seiki no Daihatsumei: Ai to Ikari to Kanashimi no Himitsu Kessha Dai Ni Kagakubu
Todoroke Seiki no Daihatsumei: Ai to Ikari to Kanashimi no Himitsu Kessha Dai Ni Kagakubu
18%
Tags
  • Inventor Protagonist
  • Comedy Rape
  • Secret Society
  • Secret Identity
  • No Common Sense Heroine
Rating 6.08379 Users
Kozukuri Youkai H Henka ~Otome o Okasu Hyoui Gattai~
Kozukuri Youkai H Henka ~Otome o Okasu Hyoui Gattai~
17%
Tags
  • Onmyouji Protagonist
  • Onmyouji Heroine
  • Ghost
  • Youkai
  • Yuki-onna Heroine
Rating 5.97389 Users
Do M Imouto Onedari Kojin Lesson ~Watashi no SEX Katei Kyoushi Onii-chan~
Do M Imouto Onedari Kojin Lesson ~Watashi no SEX Katei Kyoushi Onii-chan~
13%
Tags
  • All Heroines are Protagonist's Sister(s)
  • Protagonist's Full Sister as a Heroine
  • Office Lady Heroine
  • Masochist Heroine
  • Shimaidon
Rating 6.6325 Users
Zettai Saikyou ☆ Oppai Sensou!! ~Kyonyuu Oukoku vs Hinnyuu Oukoku~
Zettai Saikyou ☆ Oppai Sensou!! ~Kyonyuu Oukoku vs Hinnyuu Oukoku~
12%
Tags
  • Musume-type Heroine
  • Middle Ages Europe
  • Defloration During Common Route
  • Sex with Protagonist Only
  • Youkai Heroine
Rating 6.94853 Users
Hara ☆ Para!! ~Swan Nakadashi Paradise~
Hara ☆ Para!! ~Swan Nakadashi Paradise~
12%
Tags
  • Confinement in a Simulated Reality
  • Unnamed Protagonist
  • Crossover
  • Impregnation
  • Pregnant Sex
Rating 6.02108 Users
Oppai Sensou - Kyonyuu VS Hinnyuu -
Oppai Sensou - Kyonyuu VS Hinnyuu -
11%
Tags
  • No "Keep Voice on Click" Option
  • Skippable Gameplay
  • Queen Heroine
  • Strategic Card Battles
  • War
Rating 5.73808 Users
Goshujin-sama Da~isuki
Goshujin-sama Da~isuki
11%
Tags
  • Rich Protagonist
  • Popular Protagonist
  • Nympho Protagonist
  • Harem Ending with Theme
  • Student Council President Protagonist
Rating 6.33671 Users
Eroge! ~H mo Game mo Kaihatsu Zanmai~
Eroge! ~H mo Game mo Kaihatsu Zanmai~
11%
Tags
  • Movable Text Box
  • Scat Filter
  • Production of Pornography (Drawn)
  • Design Story
  • Artist Heroine
Rating 6.941,528 Users
Do M Otoko Tantei ga Iku Katte ni Ittara Oshioki yo!
Do M Otoko Tantei ga Iku Katte ni Ittara Oshioki yo!
11%
Tags
  • Masochist Protagonist
  • Cock and Ball Torture
  • Futanari on Male
  • Kneepit Sex
  • Female Domination
Rating 5.74139 Users
Imouto Paradise! ~Onii-chan to Go nin no Imouto no Ecchi Shimakuri na Mainichi~
Imouto Paradise! ~Onii-chan to Go nin no Imouto no Ecchi Shimakuri na Mainichi~
10%
Tags
  • Harem Ending with Theme
  • Siscon Protagonist
  • Non-twin Heroine Sisters
  • All Younger Heroines
  • Domicile
Rating 6.581,407 Users
Imouto Paradise! 2 ~Onii-chan to Go nin no Imouto no Motto! Ecchi Shimakuri na Mainichi~
Imouto Paradise! 2 ~Onii-chan to Go nin no Imouto no Motto! Ecchi Shimakuri na Mainichi~
10%
Tags
  • Protagonist's Half-sister as a Heroine
  • Inbred Protagonist
  • Non-twin Heroine Sisters
  • Inbred Heroine
  • All Heroines are Protagonist's Sister(s)
Rating 6.95560 Users
Do M Otoko Tantei ga Iku 2 ~Watashi no Shimobe ni Narinasai!~
Do M Otoko Tantei ga Iku 2 ~Watashi no Shimobe ni Narinasai!~
10%
Tags
  • Submissive Protagonist
  • Masochist Protagonist
  • Feminization
  • Tall Heroine
  • Sadist Heroine
Rating 5.9364 Users
Colorless Day
Colorless Day
10%
Tags
  • Existential Crisis
  • Surreal
  • Anthology
  • Black and White
  • Linear Plot
Rating 5.9223 Users
Fuyu no Tabi
Fuyu no Tabi
10%
Tags
  • Secretary Protagonist
  • NaNoRenO
  • Detective Work
  • Brief NVL Scenes
  • Winter
Rating 6.2821 Users
Yakimochi Kanojo no Ichizu na Koi
Yakimochi Kanojo no Ichizu na Koi
10%
Tags
  • Jealousy
  • Defloration During Common Route
  • Donkan Protagonist
  • Heroine with Beauty Mark
  • Student Council President Heroine
Rating 6.4724 Users
Tick! Tack!
Tick! Tack!
10%
Tags
  • Interracial Romance
  • Sprite Viewer
  • Demon Heroine
  • Time Travel
  • Foolish Friend
Rating 6.78463 Users
Seiai Gakuen Fechika
Seiai Gakuen Fechika
10%
Tags
  • Heroine with Leotard
  • Heroine with Visible Panties
  • Group Sex
  • Cosplay
  • School Life Comedy
Rating 6.18641 Users
Magical Teacher Sensei wa Majo?
Magical Teacher Sensei wa Majo?
10%
Tags
  • P.E. Teacher Heroine
  • Blood-related Aunt/Nephew Incest
  • Mage Protagonist
  • Principal Heroine
  • Shotacon Heroine
Rating 5.48242 Users
See-eki! Bukkake Bokujou! ~Oshiru Ippai, Seirei-tachi o H ni Shiiku!~
See-eki! Bukkake Bokujou! ~Oshiru Ippai, Seirei-tachi o H ni Shiiku!~
9%
Tags
  • Monster Girl Support Character
  • Monster Girl Heroine
  • Consensual Sex With Monsters
  • Maou Heroine
  • Sex With Monsters
Rating 5.69393 Users
Rinjin Kansatsu
Rinjin Kansatsu
9%
Tags
  • Rape with Blackmail
  • Consensual Phone Sex
  • Sex with Protagonist Only
  • Ending Scene Recollection
  • Netori
Rating 6.0647 Users
Okasare Yuusha II ~Yuusha na no ni, Chinchin o Pikupiku Sarete Bakari no Boku...~
Okasare Yuusha II ~Yuusha na no ni, Chinchin o Pikupiku Sarete Bakari no Boku...~
9%
Tags
  • Maou Heroine
  • Rape on Defeat
  • Monster Girl Support Character
  • Dungeon Crawling Game
  • Urethral Intercourse
Rating 6.58337 Users
Koisuru Natsu no Last Resort
Koisuru Natsu no Last Resort
9%
Tags
  • Resort
  • Painter Heroine
  • Protagonist's Boss as a Heroine
  • Part-time Job
  • Island
Rating 6.911,474 Users
Youkoso♪ Seerua Gakuen Nakadashi Festival
Youkoso♪ Seerua Gakuen Nakadashi Festival
9%
Tags
  • Student Council President Protagonist
  • Student Council Member Heroine
  • School Festival
  • Student Council
  • Exhibitionism
Rating 5.67109 Users

Touma Kojirou no Tantei File ~Opera Za no Kaijin Satsujin Jiken~ 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 (47 total)

NameScoreImportanceWeight
Private Detective Protagonist2.712.095.65
Theater1.753.075.37
Murder Mystery2.171.813.93
Promiscuity1.672.323.88
Dojikko Heroine1.752.113.70
Heroine with Big Breasts2.501.483.69
Promiscuous Heroine1.672.123.54
Arrogant Heroine1.801.963.53
Homicide1.801.843.32
Proactive Protagonist2.001.653.31
Non-blood-related Brother/Sister Incest2.001.653.30
Airhead Heroine1.801.753.15
Ejaculation Choice2.001.553.10
Vaginal Masturbation2.001.523.04
Sister/Sister Incest1.252.433.03
Colored Name-tags2.001.503.00
Protagonist's Non-blood-related Sister as a Heroine1.831.632.98
Protagonist's Younger Sister as a Heroine2.001.382.75
Adult Protagonist2.201.212.65
Single Boobjob2.001.302.61
Close-up CGs1.002.482.48
Adult Heroine2.201.122.46
Early Sexual Content2.001.232.46
Hotel1.002.342.34
Ojousama Heroine1.671.402.34
Drunk Sex1.002.332.33
Single Blowjob2.001.072.14
Protagonist's Childhood Friend as a Heroine1.801.122.02
Missionary Position2.000.931.87
Student Heroine2.000.881.75
High School Student Heroine2.000.871.74
Threesome Ending1.001.731.73
Defloration2.000.841.68
Voice Replay1.800.911.63
Anal Toys1.201.341.60
Nukige2.400.621.50
Lactation During Sex1.201.201.44
Multiple Endings2.000.691.37
Doggy Style1.750.761.33
Lesbian Sex1.001.121.12
Sitting Sex1.001.041.04
Cunnilingus1.000.920.92
Male Protagonist2.750.330.91
Sexual Content2.000.450.90
Group Sex of One Male and Several Females1.000.880.88
Cowgirl1.000.810.81
ADV2.750.250.69

Traits (106 total)

NameCharactersImportanceWeight
Actor Role32.443.39
Drunk Sex Engages in (Sexual)22.542.79
Detective Role22.322.54
Non-blood-related Incest Engages in (Sexual)22.202.41
Tribadism on Penis Engages in (Sexual)22.062.26
Medium Breasts Body21.892.08
Big Breasts Body31.482.05
Tribadism on Penis Subject of (Sexual)12.912.02
Group Sex of One Male and Several Females Engages in (Sexual)31.401.94
Drinking Engages in21.751.92
Loafers Clothes21.741.92
Sideburns Hair12.741.90
Dog Tags Clothes12.711.88
Belt Clothes31.341.86
Journalist Role12.641.83
Narcissist Personality12.591.80
Shy Personality21.621.78
Camera Items12.561.78
Piggyback Ride Subject of12.561.77
Sexual Fantasy Engages in (Sexual)12.551.77
Voyeurism Engages in (Sexual)12.531.76
Sexual Harassment Engages in12.521.74
Sexual Fantasy Subject of (Sexual)12.471.71
Non-blood-related Brother Role12.461.71
Incest Engages in (Sexual)21.491.63
Sexual Harassment Subject of12.331.62
Young-adult Body70.781.61
Voyeurism Subject of12.291.59
Younger Sister Role21.441.59
V Bangs Hair21.431.57
Police Role12.261.57
Vaginal Masturbation Engages in (Sexual)12.261.56
Tominagi Engages in (Sexual)12.251.56
Parted to Side Hair31.111.54
Pantyhose Clothes21.371.51
Lesbian Sex Engages in (Sexual)21.361.50
Non-blood-related Sister Role12.161.50
Sunglasses Clothes12.091.45
Trousers Clothes21.271.39
Ojousama Role12.001.38
Childhood Friend Role21.251.37
Shaggy Hair11.961.36
Sidehair Hair30.971.35
Black Hair40.841.35
Straight Hair30.971.34
Boobjob Subject of (Sexual)11.921.33
Clumsy Personality11.911.33
Airhead Personality11.911.32
Blue Eyes40.801.28
Sitting Sex Engages in (Sexual)11.851.28
Bob Cut Hair11.811.26
Short Hair70.601.25
Brown Eyes30.901.24
Shirt Clothes21.131.24
Cowgirl Engages in (Sexual)11.781.23
Older Brother Role11.771.23
Crop Top Clothes11.761.22
Arrogant Personality11.741.20
Doggy Style Engages in (Sexual)11.731.20
Skirt Suit Clothes11.721.19
Jeans Clothes11.691.17
Boobjob Engages in (Sexual)21.061.17
Cunnilingus Engages in (Sexual)11.641.14
Virgin Sex Engages in (Sexual)30.811.13
Bracelet Clothes11.611.12
Spiky Bangs Hair21.011.11
Choker Clothes11.601.11
Blowjob Subject of (Sexual)11.601.11
Not a Virgin Role11.591.10
Kouhai Role11.561.08
Brown Hair40.671.08
Older Sister Role11.561.08
Garter Belt Stockings Clothes11.561.08
Lactation Engages in11.551.07
Senpai Role11.551.07
Collar Clothes11.551.07
Serious Personality11.531.06
Female Ejaculation Engages in (Sexual)11.511.05
Cowgirl Subject of (Sexual)20.941.03
Clothing with Ribbons Clothes11.481.03
Suit Clothes11.440.99
Vibrator Subject of (Sexual)11.430.99
Tominagi Subject of (Sexual)11.400.97
Slim Body50.530.95
Pale Body100.390.92
T-shirt Clothes11.330.92
Watashi Personality11.300.90
Skirt Clothes11.280.89
Curtained Hair11.260.87
Cunnilingus Subject of (Sexual)11.200.83
Waist Length+ Hair20.760.83
Blowjob Engages in (Sexual)20.750.83
Dress Clothes11.190.82
High School Student Role20.750.82
Violet Hair11.160.80
Ribbon Hair Tie Clothes11.140.79
Teen Body30.570.79
Necktie Clothes11.080.75
Sitting Sex Subject of (Sexual)11.030.71
Violet Eyes11.000.70
Green Eyes11.000.69
School Uniform Clothes20.630.69
Thigh-high Stockings Clothes10.970.67
Doggy Style Subject of (Sexual)10.900.63
Blond Hair10.880.61
Long Hair10.740.51