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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]

Koiyasumi ~Kanojo no Hada ni Tokeru Konayuki~
Koiyasumi ~Kanojo no Hada ni Tokeru Konayuki~
NAN%
Tags
  • The Holiday Season
  • Winter
  • Protagonist's Girlfriend as a Heroine
  • Modern Day Tokyo
  • Condoms
Rating 6.6528 Users
1/1 Kareshi Kanojo Mini Fandisc
1/1 Kareshi Kanojo Mini Fandisc
NAN%
Tags
  • Sex with Protagonist Only
  • Nameable Protagonist
  • Heroine with Big Breasts
  • High School Student Heroine
  • Male Protagonist
Rating 7.0422 Users
Boku to Kanojo no Gohoushi Dousei
Boku to Kanojo no Gohoushi Dousei
NAN%
Tags
  • Oppai Loli Heroine
  • Heroine with Garter Belt
  • Maid Heroine
  • Only a Single Heroine
  • Heroine with Zettai Ryouiki
Rating 7.1839 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 7.90131 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
  • Single Footjob
  • Heroine with Big Breasts
  • High School Student Heroine
  • Male Protagonist
Rating 7.6327 Users
Amanatsu+
Amanatsu+
NAN%
Tags
  • School Festival
  • Protagonist's Girlfriend as a Heroine
  • Protagonist's Fiancee as a Heroine
  • Fictional Modern Day Japanese Countryside
  • Hero(ine) Selection
Rating 7.2131 Users
Yubisaki Connection
Yubisaki Connection
NAN%
Tags
  • Social Networking Service
  • Pubic Hair Option
  • Barmaid Heroine
  • Pillow Talk
  • Office Lady Heroine
Rating 7.72192 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 6.7931 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 7.3485 Users
Aibeya
Aibeya
NAN%
Tags
  • Fictional Modern Day Japanese Town
  • Under the Same Roof
  • Piledriver
  • Only a Single Heroine
  • Sexual Blindfold
Rating 6.99115 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 7.2434 Users
Aikagi 2
Aikagi 2
NAN%
Tags
  • Gamer Heroine
  • Pillow Talk
  • Gamer Protagonist
  • Otaku Heroine
  • Voiced Default Name
Rating 7.30134 Users
Toshishita Kanojo
Toshishita Kanojo
NAN%
Tags
  • Cousin Incest
  • Childhood Promise
  • High School Student Heroine
  • Male Protagonist
  • ADV
Rating 7.4146 Users
Aikotoba
Aikotoba
NAN%
Tags
  • Social Networking Service
  • Forbidden Love
  • Brother/Sister Romance
  • Protagonist's Younger Sister as a Heroine
  • Protagonist's Full Sister as a Heroine
Rating 7.17132 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 7.4126 Users
Koi to H Shika Shiteinai!
Koi to H Shika Shiteinai!
NAN%
Tags
  • Pure Love Story
  • Short Common Route
  • Only Good Endings
  • Gyaru Heroine
  • Under the Same Roof
Rating 6.8325 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
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
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 7.2450 Users
Fuyu Kiss
Fuyu Kiss
NAN%
Tags
  • Short Common Route
  • Ending Scene Recollection
  • Skip Scenes
  • Protagonist as the Only Male
  • Highly Animated Sprites
Rating 7.4239 Users
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
NAN%
Tags
  • Only Good Endings
  • Pillow Talk
  • Only Non-Virgin Heroines
  • Nursing Handjob
  • Only Older Heroines
Rating 7.6430 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
Oshino Ruka wa Iyashite Agetai
Oshino Ruka wa Iyashite Agetai
NAN%
Tags
  • Maid Heroine
  • Heroine with Wings
  • Ejaculation Forewarner
  • Unavoidable Harem Ending
  • Voiced Thoughts
Rating 7.1926 Users
Osananajimi no Iru Kurashi
Osananajimi no Iru Kurashi
53%
Tags
  • Pillow Talk
  • Nursing Handjob
  • Kinetic Novel
  • Kissing Scene
  • Heroine with Huge Breasts
Rating 7.1154 Users
Aibeya 2
Aibeya 2
53%
Tags
  • Bookworm Heroine
  • Protagonist's Childhood Friend as a Heroine
  • Shy Heroine
  • Summer
  • Only a Single Heroine
Rating 7.2574 Users
Toshishita Kanojo
Toshishita Kanojo
52%
Tags
  • Cousin Incest
  • Childhood Promise
  • High School Student Heroine
  • Male Protagonist
  • ADV
Rating 7.4146 Users
Aikagi 2
Aikagi 2
49%
Tags
  • Gamer Heroine
  • Pillow Talk
  • Gamer Protagonist
  • Otaku Heroine
  • Voiced Default Name
Rating 7.30134 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 7.2434 Users
Aibeya
Aibeya
44%
Tags
  • Fictional Modern Day Japanese Town
  • Under the Same Roof
  • Piledriver
  • Only a Single Heroine
  • Sexual Blindfold
Rating 6.99115 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
40%
Tags
  • American Heroine
  • Backlog Jump
  • Unlockable Gallery
  • Only Virgin Heroines
  • Kinetic Novel
Rating 6.7931 Users
Tomodachi Kara Koibito e
Tomodachi Kara Koibito e
40%
Tags
  • Slice of Life
  • Bleep Censor
  • Only Virgin Heroines
  • Only Good Endings
  • Few Choices
Rating 7.3485 Users
Oshikake Kanojo wa, Ore no Sewa o Shitai
Oshikake Kanojo wa, Ore no Sewa o Shitai
39%
Tags
  • Consensual Phone Sex
  • Protagonist as the Only Male
  • Only Younger Heroines
  • Reverse Missionary
  • Only Virgin Heroines
Rating 7.4126 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
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 7.2450 Users
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
Healing Days ~Toshi no Sa Kanojo to no Ama Ama Seikatsu~
37%
Tags
  • Only Good Endings
  • Pillow Talk
  • Only Non-Virgin Heroines
  • Nursing Handjob
  • Only Older Heroines
Rating 7.6430 Users
Oshino Ruka wa Iyashite Agetai
Oshino Ruka wa Iyashite Agetai
37%
Tags
  • Maid Heroine
  • Heroine with Wings
  • Ejaculation Forewarner
  • Unavoidable Harem Ending
  • Voiced Thoughts
Rating 7.1926 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 7.5225 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 7.1099 Users
Amakano+
Amakano+
35%
Tags
  • Voiced Default Name
  • Protagonist's Wife as a Heroine
  • Heroine with a Sundress
  • System Time Events
  • Pure Love Story
Rating 8.14119 Users
Amakano ~Second Season~+
Amakano ~Second Season~+
35%
Tags
  • Protagonist's Wife as a Heroine
  • Heroine with a Sundress
  • System Time Events
  • Pure Love Story
  • Pubic Hair Option
Rating 8.43101 Users
Boku to Kanojo no Kojin Lesson
Boku to Kanojo no Kojin Lesson
34%
Tags
  • Only Older Heroines
  • Student-Teacher Romance
  • Pillow Talk
  • Has Window Transparency Setting
  • Only Adult Heroines
Rating 7.64103 Users
Koi ni wa Amae ga Hitsuyou Desu ~Motto Amaeru Dake MiniFanDisc
Koi ni wa Amae ga Hitsuyou Desu ~Motto Amaeru Dake MiniFanDisc
34%
Tags
  • Protagonist's Girlfriend as a Heroine
  • Scenario Selection
  • Modern Day Japan
  • University Student Heroine
  • Single Footjob
Rating 7.5724 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 7.6329 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
  • Heroine with Big Breasts
  • High School Student Heroine
Rating 7.2622 Users
Bosei Kanojo 2 -Chisei Houkai Hen-
Bosei Kanojo 2 -Chisei Houkai Hen-
33%
Tags
  • Cousin Incest
  • Protagonist's Cousin as a Heroine
  • Pure Love Story
  • Only Protagonist's Relatives as Heroine(s)
  • Domicile
Rating 7.2244 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 Protagonist2.001.693.38
Protagonist's Childhood Friend as a Heroine2.001.142.28
Sex with Protagonist Only2.001.132.26
Only Virgin Heroines2.001.082.17
Kinetic Novel2.001.072.15
Naked Sprites2.001.052.11
Only a Single Heroine2.001.022.04
High School Student Heroine2.000.851.70
Discreet Sex1.001.601.60
Defloration2.000.761.52
Single Footjob1.001.381.38
Protagonist with a Face2.000.641.28
Male Protagonist2.000.300.61
ADV2.000.150.29

Traits (93 total)

NameCharactersImportanceWeight
Living Alone Role22.402.63
Nipple Teasing Engages in (Sexual)22.022.22
Mobile Phone Items21.751.92
Massage Engages in12.631.82
Massage Subject of12.611.81
Sex in Classroom Engages in (Sexual)21.611.76
Nipple Teasing Subject of (Sexual)21.571.73
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)12.361.63
French Kiss Engages in (Sexual)21.491.63
Leg Locking During Sex Engages in (Sexual)12.301.60
Jacket Clothes21.421.56
Spoons Engages in (Sexual)12.221.54
Bathroom Sex Engages in (Sexual)21.391.53
Tenth Grader Role12.201.52
Footjob Subject of (Sexual)12.181.51
Closet Pervert Personality12.171.50
Competitive Personality12.151.49
Off-The-Shoulder Shirt Clothes12.151.49
Flustered Personality12.131.47
Turtleneck Sweater Clothes12.041.41
Emotional Personality12.021.40
Sex in Public Places Engages in (Sexual)21.261.38
Childhood Friend Role21.261.38
Assertive Personality11.941.34
Blazer School Uniform Clothes11.921.33
Atashi Personality11.911.32
Part-time Worker Role11.901.32
Eleventh Grader Role11.901.32
Standing Sex Engages in (Sexual)11.871.30
Boyfriend Role11.871.29
Boobjob Subject of (Sexual)11.861.29
Honest Personality11.841.27
Hat Clothes11.831.27
Son Role11.821.26
Mature Personality11.811.26
Eye Covering Hair11.801.25
Boku Personality11.781.24
Short Shorts Clothes11.771.23
Handjob Subject of (Sexual)11.751.22
Deredere Personality11.741.21
Cheerful Personality11.741.21
Missionary Engages in (Sexual)11.741.21
Outgoing Personality11.741.20
Reverse Missionary Subject of (Sexual)11.731.20
Footjob Engages in (Sexual)11.721.19
Cowgirl Engages in (Sexual)11.721.19
Confident Personality11.701.18
Sex with Protagonist Only Engages in (Sexual)11.681.16
Spoons Subject of (Sexual)11.671.16
Teasing Subject of11.661.15
Kind Personality21.031.13
Kouhai Role11.631.13
Senpai Role11.611.12
Mole Body11.591.10
Cunnilingus Engages in (Sexual)11.551.08
Girlfriend Role11.541.07
Blowjob Subject of (Sexual)11.521.06
Necklace Clothes11.501.04
Serious Personality11.491.03
Smart Personality11.461.01
Daughter Role11.461.01
Headband Clothes11.451.00
Teasing Engages in11.451.00
Black Eyes11.420.99
Earrings Clothes11.420.99
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 Clothes11.190.83
Standing Sex Subject of (Sexual)11.180.82
Cunnilingus Subject of (Sexual)11.160.81
Handjob Engages in (Sexual)11.160.80
Shirt Clothes11.160.80
Missionary Subject of (Sexual)11.120.77
Necktie Clothes11.110.77
Boobjob Engages in (Sexual)11.070.74
Cowgirl Subject of (Sexual)10.950.66
Slim Body20.580.63
Waist Length+ Hair10.810.56
Black Hair10.810.56
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