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Summary

"She is here again, huh...?" Sighing, our protagonist, Yuuto, put the key to his house that he just took out back into his pocket without using it. Upon entering, he found his childhood friend, Saotome Ai, fiddling with her phone, relaxing as if it were her own house. The spare key (AIKAGI) to the house was hanging from her neck. "Ah, welcome back, senpai~." A girl one year younger than him welcomed him home with a smile, (though she was lazing about while doing so.) "I'm back... Hey, how many times have I told you not to come in as you please? Also, give me back my spare key already..." Revolving around the AIKAGI, this is how the love story between our amiable but easy-to-tease protagonist, and his mischievous junior begins. [From Official Site]

Maokatsu! ~Maou to Yuusha no Idol Seikatsu~
Maokatsu! ~Maou to Yuusha no Idol Seikatsu~
NAN%
Tags
  • Voice Saving
  • Protagonist from a Different World
  • Demon Heroine
  • Fictional World
  • Maou Heroine
Rating 7.2837 Users
Amamane 2
Amamane 2
NAN%
Tags
  • Baseball
  • Slice of Life
  • Only Younger Heroines
  • Short Sexual Scenes
  • Only a Single Heroine
Rating 6.7627 Users
Boku to Kanojo no Gohoushi Dousei
Boku to Kanojo no Gohoushi Dousei
NAN%
Tags
  • Heroine with Garter Belt
  • Maid Heroine
  • Only a Single Heroine
  • Heroine with Zettai Ryouiki
  • Sex with Protagonist Only
Rating 7.2039 Users
Garudoma -Joshiryou no Kanrinin-
Garudoma -Joshiryou no Kanrinin-
NAN%
Tags
  • Dormitory Manager Protagonist
  • Harem Ending with Theme
  • School Dormitory
  • Heroine with Inverted Nipples
  • Gyaru Heroine
Rating 6.5854 Users
Onaji Class no Idol-san. Around me is full by a celebrity.
Onaji Class no Idol-san. Around me is full by a celebrity.
NAN%
Tags
  • Japanese Idols
  • Singer Heroine
  • Idol Heroine
  • Donkan Protagonist
  • Single Footjob
Rating 6.8955 Users
Keiken Zero na Classmate π
Keiken Zero na Classmate π
NAN%
Tags
  • Jump to Unread
  • Female Friend
  • Heroine with Beauty Mark
  • Panic Button
  • Track Display
Rating 7.2664 Users
Amakano 2
Amakano 2
NAN%
Tags
  • Pure Love Story
  • Pubic Hair Option
  • Insert Songs
  • Pillow Talk
  • Voiced Default Name
Rating 8.19383 Users
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
NAN%
Tags
  • American Heroine
  • Backlog Jump
  • Unlockable Gallery
  • Only Virgin Heroines
  • Kinetic Novel
Rating 6.7831 Users
Kara no Shoujo - Bishoujo Gakuen 1 -
Kara no Shoujo - Bishoujo Gakuen 1 -
NAN%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Cross-dressing
  • Amnesiac Protagonist
Rating 7.5336 Users
Aibeya
Aibeya
NAN%
Tags
  • Fictional Modern Day Japanese Town
  • Under the Same Roof
  • Piledriver
  • Sexual Blindfold
  • Only a Single Heroine
Rating 6.97117 Users
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
NAN%
Tags
  • Gyaru Heroine
  • Protagonist's Cousin as a Heroine
  • Imouto-type Heroine
  • Deredere Heroine
  • Teacher Protagonist
Rating 6.8927 Users
Toshiue Kanojo no Amayaka Dousei
Toshiue Kanojo no Amayaka Dousei
NAN%
Tags
  • Pillow Talk
  • Only Older Heroines
  • Heroine with Kimono
  • Heroine with Beauty Mark
  • University Student Heroine
Rating 7.2634 Users
Aikagi 2
Aikagi 2
NAN%
Tags
  • Gamer Heroine
  • Pillow Talk
  • Gamer Protagonist
  • Otaku Heroine
  • Voiced Default Name
Rating 7.30135 Users
Osananajimi no Iru Kurashi
Osananajimi no Iru Kurashi
NAN%
Tags
  • Pillow Talk
  • Nursing Handjob
  • Kinetic Novel
  • Kissing Scene
  • Heroine with Huge Breasts
Rating 7.1153 Users
Icha x2 Study Yuno ~Dear Future~
Icha x2 Study Yuno ~Dear Future~
NAN%
Tags
  • Protagonist with Voiced Changeable Names
  • Highly Animated Sprites
  • Mischievous Heroine
  • Long Sexual Scenes
  • Protagonist's Girlfriend as a Heroine
Rating 7.6523 Users
Tomodachi Kara Koibito e
Tomodachi Kara Koibito e
NAN%
Tags
  • Slice of Life
  • Bleep Censor
  • Only Virgin Heroines
  • Only Good Endings
  • Few Choices
Rating 7.3484 Users
Koi ni wa Amae ga Hitsuyou Desu ~Motto Amaete Morau Dake MiniFanDisc
Koi ni wa Amae ga Hitsuyou Desu ~Motto Amaete Morau Dake MiniFanDisc
NAN%
Tags
  • Pure Love Story
  • Slice of Life
  • Super Deformed CG's
  • Single Footjob
  • High School Student Heroine
Rating 7.6327 Users
Makimura Hazuki no Koigatari
Makimura Hazuki no Koigatari
NAN%
Tags
  • Only Older Heroines
  • Mother Support Character
  • Only Virgin Heroines
  • Only a Single Heroine
  • Adult Heroine
Rating 7.2451 Users
Yubisaki Connection
Yubisaki Connection
NAN%
Tags
  • Social Networking Service
  • Pubic Hair Option
  • Barmaid Heroine
  • Pillow Talk
  • Office Lady Heroine
Rating 7.72192 Users
Amakano+
Amakano+
NAN%
Tags
  • Voiced Default Name
  • Protagonist's Wife as a Heroine
  • Heroine with a Sundress
  • System Time Events
  • Pure Love Story
Rating 8.16120 Users
Re CATION ~Melty Healing~
Re CATION ~Melty Healing~
NAN%
Tags
  • Protagonist with Voiced Changeable Names
  • Dormitory Manager Heroine
  • Save Memo Function
  • Spring
  • Sexual Roleplay
Rating 7.89131 Users
Oshikake Kanojo wa, Ore no Sewa o Shitai
Oshikake Kanojo wa, Ore no Sewa o Shitai
NAN%
Tags
  • Consensual Phone Sex
  • Protagonist as the Only Male
  • Only Younger Heroines
  • Reverse Missionary
  • Only Virgin Heroines
Rating 7.3425 Users
Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?
Osananajimi no Onee-chan Sensei to H de Naisho na Kankei!?
NAN%
Tags
  • Heroine with a Braid
  • Protagonist's Childhood Friend as a Heroine
  • Reverse Missionary
  • Piledriver
  • Only Adult Heroines
Rating 7.2433 Users
Asuka-san wa Nabikanai
Asuka-san wa Nabikanai
NAN%
Tags
  • Student Council President Heroine
  • Student Council Member Protagonist
  • Super Deformed Sprites
  • Linear Plot
  • Voiced Thoughts
Rating 7.0999 Users
Aibeya 2
Aibeya 2
55%
Tags
  • Bookworm Heroine
  • Protagonist's Childhood Friend as a Heroine
  • Shy Heroine
  • Summer
  • Only a Single Heroine
Rating 7.2674 Users
Toshishita Kanojo
Toshishita Kanojo
52%
Tags
  • Cousin Incest
  • Childhood Promise
  • High School Student Heroine
  • Male Protagonist
  • ADV
Rating 7.4546 Users
Osananajimi no Iru Kurashi
Osananajimi no Iru Kurashi
51%
Tags
  • Pillow Talk
  • Nursing Handjob
  • Kinetic Novel
  • Kissing Scene
  • Heroine with Huge Breasts
Rating 7.1153 Users
Aikagi 2
Aikagi 2
48%
Tags
  • Gamer Heroine
  • Pillow Talk
  • Gamer Protagonist
  • Otaku Heroine
  • Voiced Default Name
Rating 7.30135 Users
Toshiue Kanojo no Amayaka Dousei
Toshiue Kanojo no Amayaka Dousei
46%
Tags
  • Pillow Talk
  • Only Older Heroines
  • Heroine with Kimono
  • Heroine with Beauty Mark
  • University Student Heroine
Rating 7.2634 Users
Aibeya
Aibeya
45%
Tags
  • Fictional Modern Day Japanese Town
  • Under the Same Roof
  • Piledriver
  • Sexual Blindfold
  • Only a Single Heroine
Rating 6.97117 Users
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
Namaiki Yume-chan wa Onii to Mechakucha H Shitai!
41%
Tags
  • Gyaru Heroine
  • Protagonist's Cousin as a Heroine
  • Imouto-type Heroine
  • Deredere Heroine
  • Teacher Protagonist
Rating 6.8927 Users
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
Koi Suru Amairo Homestay -Ryuugakusei wa Wanko-kei Osananajimi
41%
Tags
  • American Heroine
  • Backlog Jump
  • Unlockable Gallery
  • Only Virgin Heroines
  • Kinetic Novel
Rating 6.7831 Users
Kara no Shoujo - Bishoujo Gakuen 1 -
Kara no Shoujo - Bishoujo Gakuen 1 -
39%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Cross-dressing
  • Amnesiac Protagonist
Rating 7.5336 Users
Tomodachi Kara Koibito e
Tomodachi Kara Koibito e
38%
Tags
  • Slice of Life
  • Bleep Censor
  • Only Virgin Heroines
  • Only Good Endings
  • Few Choices
Rating 7.3484 Users
Makimura Hazuki no Koigatari
Makimura Hazuki no Koigatari
38%
Tags
  • Only Older Heroines
  • Mother Support Character
  • Only Virgin Heroines
  • Only a Single Heroine
  • Adult Heroine
Rating 7.2451 Users
Amakano+
Amakano+
36%
Tags
  • Voiced Default Name
  • Protagonist's Wife as a Heroine
  • Heroine with a Sundress
  • System Time Events
  • Pure Love Story
Rating 8.16120 Users
Oshikake Kanojo wa, Ore no Sewa o Shitai
Oshikake Kanojo wa, Ore no Sewa o Shitai
36%
Tags
  • Consensual Phone Sex
  • Protagonist as the Only Male
  • Only Younger Heroines
  • Reverse Missionary
  • Only Virgin Heroines
Rating 7.3425 Users
Asuka-san wa Nabikanai
Asuka-san wa Nabikanai
36%
Tags
  • Student Council President Heroine
  • Student Council Member Protagonist
  • Super Deformed Sprites
  • Linear Plot
  • Voiced Thoughts
Rating 7.0999 Users
Tsuki no Shoujo - Bishoujo Gakuen 2 -
Tsuki no Shoujo - Bishoujo Gakuen 2 -
36%
Tags
  • Pimp/Madam Protagonist
  • All-girls School
  • Prostitution
  • Soapy Massage
  • Reverse Missionary
Rating 7.5125 Users
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
35%
Tags
  • Only Good Endings
  • Pillow Talk
  • Only Non-Virgin Heroines
  • Nursing Handjob
  • Only Older Heroines
Rating 7.6429 Users
Boku to Kanojo no Kojin Lesson
Boku to Kanojo no Kojin Lesson
35%
Tags
  • Only Older Heroines
  • Student-Teacher Romance
  • Pillow Talk
  • Has Window Transparency Setting
  • Only Adult Heroines
Rating 7.64102 Users
Boku to Kanojo no Kojin Lesson 2
Boku to Kanojo no Kojin Lesson 2
34%
Tags
  • Insomnia
  • Student-Teacher Romance
  • Only Older Heroines
  • Secret Romance
  • Unlockable Sexual Content
Rating 7.7329 Users
Amakano ~Second Season~+
Amakano ~Second Season~+
34%
Tags
  • Protagonist's Wife as a Heroine
  • Heroine with a Sundress
  • System Time Events
  • Pure Love Story
  • Lip Sync
Rating 8.46100 Users
Kanojo to Ore no Koisome Dousei
Kanojo to Ore no Koisome Dousei
34%
Tags
  • Marriage Ending
  • Under the Same Roof
  • Protagonist's Childhood Friend as a Heroine
  • Handjob
  • Linear Plot
Rating 6.6737 Users
Sei no Shoujo - Bishoujo Gakuen 3 -
Sei no Shoujo - Bishoujo Gakuen 3 -
34%
Tags
  • Pimp/Madam Protagonist
  • Genre Shift
  • Bathroom Sex
  • High School Student Heroine
  • Heroine with Big Breasts
Rating 7.2622 Users
Uchi no Aruji wa Youkai no Joushiki o Shiranai
Uchi no Aruji wa Youkai no Joushiki o Shiranai
33%
Tags
  • Oni Heroine
  • Butler Protagonist
  • Youkai
  • Succubus Heroine
  • Western-style Manor
Rating 7.0447 Users
Sora no Ao to Shiro to / Mabataki no Natsu
Sora no Ao to Shiro to / Mabataki no Natsu
33%
Tags
  • Writer Protagonist
  • Nursing Handjob
  • Pure Love Story
  • Energetic Heroine
  • Pillow Talk
Rating 7.1420 Users
1/1 Kareshi Kanojo Mini Fandisc
1/1 Kareshi Kanojo Mini Fandisc
32%
Tags
  • Sex with Protagonist Only
  • Nameable Protagonist
  • High School Student Heroine
  • Heroine with Big Breasts
  • Male Protagonist
Rating 7.0322 Users

Aikagi 3 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 (14 total)

NameScoreImportanceWeight
Donkan Protagonist2.001.693.37
Protagonist's Childhood Friend as a Heroine2.001.142.28
Sex with Protagonist Only2.001.132.26
Only Virgin Heroines2.001.082.16
Kinetic Novel2.001.072.14
Naked Sprites2.001.052.10
Only a Single Heroine2.001.022.03
High School Student Heroine2.000.851.69
Discreet Sex1.001.601.60
Defloration2.000.761.52
Single Footjob1.001.371.37
Protagonist with a Face2.000.641.27
Male Protagonist2.000.300.60
ADV2.000.140.29

Traits (93 total)

NameCharactersImportanceWeight
Living Alone Role22.402.64
Nipple Teasing Engages in (Sexual)22.012.21
Mobile Phone Items21.741.91
Massage Engages in12.611.81
Massage Subject of12.591.79
Sex in Classroom Engages in (Sexual)21.611.76
Nipple Teasing Subject of (Sexual)21.571.72
Sex in Water Engages in (Sexual)21.561.72
Donkan Personality12.451.70
Vest Clothes21.521.67
Stylish Personality12.391.66
Student Role21.491.63
Reverse Missionary Engages in (Sexual)12.351.63
French Kiss Engages in (Sexual)21.481.62
Leg Locking During Sex Engages in (Sexual)12.301.59
Jacket Clothes21.421.56
Spoons Engages in (Sexual)12.211.53
Bathroom Sex Engages in (Sexual)21.391.52
Tenth Grader Role12.191.52
Footjob Subject of (Sexual)12.181.51
Closet Pervert Personality12.161.50
Competitive Personality12.151.49
Off-The-Shoulder Shirt Clothes12.141.49
Flustered Personality12.121.47
Turtleneck Sweater Clothes12.041.41
Emotional Personality12.011.39
Sex in Public Places Engages in (Sexual)21.261.38
Childhood Friend Role21.261.38
Assertive Personality11.941.34
Blazer School Uniform Clothes11.911.33
Atashi Personality11.911.32
Part-time Worker Role11.901.32
Eleventh Grader Role11.901.31
Standing Sex Engages in (Sexual)11.871.29
Boyfriend Role11.861.29
Boobjob Subject of (Sexual)11.861.29
Honest Personality11.831.27
Hat Clothes11.831.27
Son Role11.821.26
Mature Personality11.811.26
Eye Covering Hair11.801.25
Boku Personality11.781.23
Handjob Subject of (Sexual)11.751.21
Short Shorts Clothes11.751.21
Deredere Personality11.741.21
Missionary Engages in (Sexual)11.741.21
Cheerful Personality11.741.20
Reverse Missionary Subject of (Sexual)11.741.20
Outgoing Personality11.731.20
Footjob Engages in (Sexual)11.721.19
Cowgirl Engages in (Sexual)11.711.19
Confident Personality11.691.17
Sex with Protagonist Only Engages in (Sexual)11.681.16
Spoons Subject of (Sexual)11.671.15
Teasing Subject of11.651.14
Kouhai Role11.631.13
Kind Personality21.031.13
Senpai Role11.611.12
Mole Body11.581.10
Cunnilingus Engages in (Sexual)11.551.08
Girlfriend Role11.541.06
Blowjob Subject of (Sexual)11.521.05
Necklace Clothes11.501.04
Serious Personality11.491.03
Smart Personality11.461.01
Daughter Role11.451.01
Headband Clothes11.451.01
Teasing Engages in11.441.00
Earrings Clothes11.420.98
Black Eyes11.420.98
Cooking Engages in11.420.98
Knee-high Socks Clothes11.380.96
Virgin Sex Engages in (Sexual)20.850.93
Ribbon Tie Clothes11.250.87
Red Eyes11.200.83
Trousers Clothes11.190.82
Standing Sex Subject of (Sexual)11.180.81
Cunnilingus Subject of (Sexual)11.160.81
Shirt Clothes11.160.80
Handjob Engages in (Sexual)11.160.80
Missionary Subject of (Sexual)11.120.77
Necktie Clothes11.120.77
Boobjob Engages in (Sexual)11.070.74
Cowgirl Subject of (Sexual)10.950.66
Slim Body20.580.63
Waist Length+ Hair10.810.56
Black Hair10.800.56
Blowjob Engages in (Sexual)10.760.53
School Uniform Clothes10.750.52
Brown Hair10.680.47
Teen Body10.620.43
Short Hair10.610.42
Pale Body10.370.26