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Summary

Magic exists in the world of Grand Esteca. There’s a magic library in the town of Altrium where all books of sorcery are kept. There resides a closely guarded book 30 floors underneath the library: the powerful book of sorcery, Grimoire, within which was sealed the demon who unleashed his fury in a war long ago. However, now he is merely a perverted demon with no dignity whatsoever. The librarian Mihai loves reading books and came upon and became friends with Grimoire. He respected the demon despite his current situation due to his immense magical knowledge. However, one day, someone stole these pages of knowledge from Grimoire and they ended up dispersed in other continents. It might cause a new world war to break out. Concerned about the situation, the sage Maynard ordered Mihai to recover the pages. [From Hau~ Omochikaeri!]

13-nin no Uruwashiki Kedamono
13-nin no Uruwashiki Kedamono
NAN%
Tags
  • Completely Unavoidable Heroine Rape
  • Pain Only Rape
  • Unavoidable Heroine Rape by Others
  • Courtroom
  • Battle Royale
Rating 6.7051 Users
D-EVE in you
D-EVE in you
NAN%
Tags
  • Japanese Idols
  • Idol Heroine
  • Singer Heroine
  • Heroine with Intake Hairstyle
  • Exhibitionism
Rating 7.0925 Users
Trinity x Calamity ~Midara na Shitsuke to Owaru Sekai~
Trinity x Calamity ~Midara na Shitsuke to Owaru Sekai~
NAN%
Tags
  • Raising Simulation
  • Kemonomimi Heroine
  • Elf Heroine
  • Dildos
  • Petplay
Rating 7.2125 Users
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
Torikaekko Shiyo! ~Kareshi Kanojo no Himitsu no Kankei~
NAN%
Tags
  • Swinging
  • Gauge Display
  • Relationship Chart
  • Half-Japanese Heroine
  • Protagonist's Girlfriend as a Heroine
Rating 6.9523 Users
Hara Katsu! 2 ~Kozukuri Ecchi de Onayami Kaiketsu~
Hara Katsu! 2 ~Kozukuri Ecchi de Onayami Kaiketsu~
NAN%
Tags
  • Impregnation Choice
  • Sex at Work
  • Infidelity
  • Only Adult Heroines
  • Married Heroine
Rating 6.8149 Users
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
Binyuu Inmai Haruka "Watashi ni Iyarashii Cosplay Saseru nante... Kono Hentai!"
NAN%
Tags
  • Discipline Committee Leader Protagonist
  • Twin Bellyjob
  • Protagonist's Blood-related Sister as a Heroine
  • Heroine with Spats
  • Bunnygirl Cosplay
Rating 7.0626 Users
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
Meimon Joshikou Ryokou ~Ore Dake Otoko Nandesu ga!?~
NAN%
Tags
  • Trap Protagonist
  • All-girls School
  • Single Buttjob
  • Half-Japanese Heroine
  • Only Virgin Heroines
Rating 7.0724 Users
Spocon! ~Sports Wear-Complex~
Spocon! ~Sports Wear-Complex~
NAN%
Tags
  • School Sports Club
  • Archery Club
  • School Sports Club Member Heroine
  • Tennis Club
  • Swimming Club
Rating 7.5180 Users
Shuukatsu!
Shuukatsu!
NAN%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
NAN%
Tags
  • Full Chastity Belt
  • Quadruple+ Blowjob
  • Clothed Female Naked Male
  • Protagonist's Sister as a Heroine
  • Cosplay
Rating 6.9730 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 6.7841 Users
Oshirikko Venus 2
Oshirikko Venus 2
NAN%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2533 Users
Aozora Stripe
Aozora Stripe
NAN%
Tags
  • Cook Protagonist
  • Panchira
  • Charming Protagonist
  • Serious Protagonist
  • Slice of Life Comedy
Rating 7.70104 Users
Aku Yome! Akuma na Yome ni Shiborareru
Aku Yome! Akuma na Yome ni Shiborareru
NAN%
Tags
  • Defloration During Common Route
  • Incubus Protagonist
  • Oni Heroine
  • Werewolf Heroine
  • Polygamy
Rating 7.2049 Users
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
Ossan Kyoushi no Joshikousei Tsuma ga Yarichin Danshi ni Netorareru Hanashi
NAN%
Tags
  • Pregnancy
  • Netorare
  • Clothed Female Naked Male
  • Netorare Type B
  • Impregnation
Rating 6.7339 Users
Maid in Witch Life! -Yakata de Hajimaru H na Miryou Seikatsu-
Maid in Witch Life! -Yakata de Hajimaru H na Miryou Seikatsu-
NAN%
Tags
  • Witch Heroine
  • Chuunibyou Heroine
  • Voice Saving
  • Maid Heroine
  • Heroine with Garter Belt
Rating 7.2636 Users
Mazo x Love
Mazo x Love
NAN%
Tags
  • Comic Convention
  • Comedy Rape
  • Mangaka Protagonist
  • Police Officer Heroine
  • Heroine with Inverted Nipples
Rating 7.5423 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
NAN%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.7222 Users
Sensei o Haramaseyou! ~Hiyoko no Noroi de Toumeika Suru Ore!?~
Sensei o Haramaseyou! ~Hiyoko no Noroi de Toumeika Suru Ore!?~
NAN%
Tags
  • P.E. Teacher Heroine
  • Principal Heroine
  • Heroine with Spats
  • School Nurse Heroine
  • Heroine with Tights
Rating 6.4557 Users
ESEX Shikorsky: INTERNEET Security Cloud 2017
ESEX Shikorsky: INTERNEET Security Cloud 2017
NAN%
Tags
  • AI Heroine
  • Anthropomorphized Inanimate Object
  • Loli Support Character
  • Title Parody
  • Internet
Rating 6.4438 Users
Maou no Kuse ni Namaiki da!
Maou no Kuse ni Namaiki da!
NAN%
Tags
  • Maou Heroine
  • Hikikomori Protagonist
  • Consensual Sex Involving Slime Monsters
  • Naga Heroine
  • Chuunibyou Heroine
Rating 7.40123 Users
Majodou ~Ano Chirigiwa no Utsukushisa~
Majodou ~Ano Chirigiwa no Utsukushisa~
NAN%
Tags
  • Witch Heroine
  • Kemonomimi Support Character
  • American Heroine
  • Albino Heroine
  • Cats
Rating 7.3042 Users
Pen Pen Penalty - Hakoiri Musume-tachi o H ni Oshioki!!
Pen Pen Penalty - Hakoiri Musume-tachi o H ni Oshioki!!
NAN%
Tags
  • University Teacher Protagonist
  • NEET Heroine
  • Food Gokkun
  • Lazy Heroine
  • Cum on Food
Rating 7.2550 Users
Maou no Kuse ni Namaiki da! 2 ~Kondo wa Seisen da!~
Maou no Kuse ni Namaiki da! 2 ~Kondo wa Seisen da!~
NAN%
Tags
  • Naga Heroine
  • Hikikomori Protagonist
  • Maou Heroine
  • Maou Protagonist
  • Chuunibyou Heroine
Rating 7.8067 Users
Erect!
Erect!
29%
Tags
  • Class President Protagonist
  • Heroine with Visible Panties
  • Multiple Penises
  • Succubus Heroine
  • Demon Heroine
Rating 7.66141 Users
Kimi no Mana wa Rina Witch
Kimi no Mana wa Rina Witch
26%
Tags
  • Magic School
  • Heroine with Bodystocking
  • Sex Under the Necessity
  • Track Display
  • Mahou Shoujo Heroine
Rating 6.9222 Users
Aku Yome! Akuma na Yome ni Shiborareru
Aku Yome! Akuma na Yome ni Shiborareru
26%
Tags
  • Defloration During Common Route
  • Incubus Protagonist
  • Oni Heroine
  • Werewolf Heroine
  • Polygamy
Rating 7.2049 Users
Aozora Stripe
Aozora Stripe
25%
Tags
  • Cook Protagonist
  • Panchira
  • Charming Protagonist
  • Serious Protagonist
  • Slice of Life Comedy
Rating 7.70104 Users
Oshirikko Venus 2
Oshirikko Venus 2
23%
Tags
  • Non-penetrative Sex
  • Big Ass Heroine
  • Perverted Protagonist
  • Twin Footjob
  • Sex on a Roof
Rating 7.2533 Users
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
22%
Tags
  • Full Chastity Belt
  • Quadruple+ Blowjob
  • Clothed Female Naked Male
  • Protagonist's Sister as a Heroine
  • Cosplay
Rating 6.9730 Users
Boku no xx wa Ryousei-tachi no Tokken Desu!
Boku no xx wa Ryousei-tachi no Tokken Desu!
22%
Tags
  • Dormitory Manager Protagonist
  • School Sports Club Member Heroine
  • Sprite Filter
  • Protagonist with Phimosis
  • Defloration During Common Route
Rating 6.7841 Users
Spocon! ~Sports Wear-Complex~
Spocon! ~Sports Wear-Complex~
22%
Tags
  • School Sports Club
  • Archery Club
  • School Sports Club Member Heroine
  • Tennis Club
  • Swimming Club
Rating 7.5180 Users
Shuukatsu!
Shuukatsu!
21%
Tags
  • School Nurse Heroine
  • Protagonist as the Only Male
  • Long Sexual Scenes
  • Highly Animated Sprites
  • Gynophobic/Androphobic Protagonist
Rating 6.8521 Users
Maid in Witch Life! -Yakata de Hajimaru H na Miryou Seikatsu-
Maid in Witch Life! -Yakata de Hajimaru H na Miryou Seikatsu-
21%
Tags
  • Witch Heroine
  • Chuunibyou Heroine
  • Voice Saving
  • Maid Heroine
  • Heroine with Garter Belt
Rating 7.2636 Users
Iede Kissa ~Anata no Booth de Kasegasete~
Iede Kissa ~Anata no Booth de Kasegasete~
21%
Tags
  • Prostitute Protagonist
  • Runaway Heroine
  • Prostitution
  • Sex Involving Prostitution
  • Cafe
Rating 6.7222 Users
ESEX Shikorsky: INTERNEET Security Cloud 2017
ESEX Shikorsky: INTERNEET Security Cloud 2017
21%
Tags
  • AI Heroine
  • Anthropomorphized Inanimate Object
  • Loli Support Character
  • Title Parody
  • Internet
Rating 6.4438 Users
Majodou ~Ano Chirigiwa no Utsukushisa~
Majodou ~Ano Chirigiwa no Utsukushisa~
21%
Tags
  • Witch Heroine
  • Kemonomimi Support Character
  • American Heroine
  • Albino Heroine
  • Cats
Rating 7.3042 Users
Maou no Kuse ni Namaiki da! 2 ~Kondo wa Seisen da!~
Maou no Kuse ni Namaiki da! 2 ~Kondo wa Seisen da!~
21%
Tags
  • Naga Heroine
  • Hikikomori Protagonist
  • Maou Heroine
  • Maou Protagonist
  • Chuunibyou Heroine
Rating 7.8067 Users
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
Toshishita Gentei Nuki x2 Share-house ~Shiborare Kyoudou Seikatsu~
21%
Tags
  • Share House
  • Dormitory Manager Protagonist
  • Summer
  • Masochist Protagonist
  • Kneepit Sex
Rating 6.7339 Users
Unionism Quartet
Unionism Quartet
20%
Tags
  • Bodyguard Heroine
  • Tournament
  • Tactician Heroine
  • Duel
  • Spontaneous Power-ups
Rating 7.65132 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~
20%
Tags
  • Love Interest's Gender Choice
  • Trap Heroine
  • Chuunibyou Heroine
  • Discreet Masturbation
  • Heroine with Inverted Nipples
Rating 6.8243 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~
20%
Tags
  • Cosplay
  • Footjob
  • Nympho Heroine
  • Spoons
  • Impregnation
Rating 6.3330 Users
Koinosu ☆ Ichacolize
Koinosu ☆ Ichacolize
20%
Tags
  • Scenario Selection
  • Cheerleader Heroine
  • Apartment Building
  • Hero(ine) Selection
  • Waitress Heroine
Rating 7.1763 Users
Maou no Kuse ni Namaiki da! Torotoro Tropical!
Maou no Kuse ni Namaiki da! Torotoro Tropical!
20%
Tags
  • Naga Heroine
  • Maou Heroine
  • Plant Sex
  • Maou Protagonist
  • Chuunibyou Heroine
Rating 7.7452 Users
Mirai Senki Slavenil
Mirai Senki Slavenil
20%
Tags
  • Mayadere Heroine
  • Nanomachines
  • Pirate Heroine
  • Assassin Heroine
  • Mecha Combat
Rating 6.8032 Users
Akuma de Oshioki! Marukido Sadoshiki Hentai Oshioki Kouza
Akuma de Oshioki! Marukido Sadoshiki Hentai Oshioki Kouza
20%
Tags
  • Zombie Heroine
  • Cloning
  • Werewolf
  • Selfcest
  • Maou Heroine
Rating 7.6952 Users
3Ping Lovers! ☆ Ippu Nisai no Sekai e Youkoso♪
3Ping Lovers! ☆ Ippu Nisai no Sekai e Youkoso♪
20%
Tags
  • Polygamy
  • Protagonist from a Different World
  • Twin Buttjob
  • Tactician Protagonist
  • Excessive Semen
Rating 7.21113 Users
Senjou no Folklore -Boukoku no Kishidan-
Senjou no Folklore -Boukoku no Kishidan-
20%
Tags
  • Real Time Strategy Game
  • Non-heroine Only Unavoidable Rape
  • Tactician Heroine
  • Tactician Protagonist
  • Leader Heroine
Rating 6.8322 Users

Grimoire no Shisho 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 (32 total)

NameScoreImportanceWeight
Mage Protagonist3.002.146.41
Energy Transfer via Sex2.502.395.98
Magic/ESP Combat3.001.875.61
Nun Heroine2.502.195.48
Fighting Protagonist3.001.705.11
Thief Heroine2.002.555.10
Priestess Heroine2.002.474.95
Sex Under the Necessity2.501.984.94
Genius Protagonist2.002.424.83
Tentacle Blowjob2.002.354.69
Vaginal + Anal Tentacle Penetration2.002.214.42
Completely Avoidable Netorare1.672.363.94
Succubus Heroine2.001.973.93
Completely Avoidable Rape1.672.353.93
Mage Heroine2.001.923.84
Demons2.001.903.79
Airhead Heroine2.001.783.57
Death of Protagonist2.001.723.44
Unlockable Bonus Content2.001.723.44
Protagonist with Glasses2.001.683.37
Bonus Side Stories2.001.633.26
Game Over2.001.492.97
Tsundere Heroine2.001.402.80
Single Footjob2.001.382.75
Tentacle Rape2.001.362.73
Fantasy2.001.252.51
Bad Ending(s)2.001.202.39
Defloration2.000.761.52
Male Protagonist2.000.300.61
Sexual Content0.670.630.42
ADV2.000.150.29
2.000.000.00

Traits (48 total)

NameCharactersImportanceWeight
Sex with Monsters Engages in (Sexual)22.172.38
Double Handjob Engages in (Sexual)21.892.07
Librarian Role12.771.92
Deredere Personality21.741.92
Footjob Engages in (Sexual)21.721.89
Protective Personality21.681.85
Guimpe Clothes12.641.83
Double Penetration (Group Sex) Subject of (Sexual)21.651.81
Legwear Footjob Engages in (Sexual)12.441.69
Habit Clothes12.411.67
Cross Design Clothes12.361.64
Religious Personality12.301.59
Suspenders Clothes12.291.59
Bukkake Subject of (Sexual)21.351.48
Book Items12.121.47
Waist Length+ Hair50.811.45
Inflated Belly Subject of (Sexual)12.041.41
Demon Role12.001.39
Decorative Belt Clothes11.981.37
Cravat Clothes11.921.33
Anal Sex Subject of (Sexual)21.191.31
Tsundere Personality11.871.30
Hidden Eyes11.811.25
Confinement Subject of11.761.22
Confident Personality11.701.18
Boots Clothes11.681.16
Thigh-high Stockings Clothes21.041.14
Pointed Ears Body11.641.14
Pink Eyes11.621.12
Teen Body50.621.11
Magician Role11.571.09
Rape Subject of (Sexual)11.561.08
Slim Body50.581.03
Pink Hair11.330.92
Blue Eyes20.800.88
Violet Hair11.190.83
Blue Hair11.190.83
Trousers Clothes11.190.83
Shirt Clothes11.160.80
Glasses Clothes11.080.75
Vaginal Fingering Subject of (Sexual)11.080.75
Violet Eyes11.040.72
Amber Eyes11.030.71
Kind Personality11.030.71
Pale Body50.370.66
Blond Hair10.890.62
Virgin Sex Engages in (Sexual)10.850.59
Black Hair10.810.56