Koiharu Adolescence


Koiharu Adolescence
TitleKoiharu Adolescence
Original title恋春アドレセンス
LengthMedium (10 - 30 hours)
DeveloperEclair Soft
Publishers Eclair Soft & Hublots Inc & Moe App


This is the first title by Eclair. Spring has come once again for Kazuharu and he thoroughly enjoys his school life at Ouka Gakuen. However, he had once promised his osananajimi and older sister that he would ‘fall in love’. For many years now, he’d been called a good-for-nothing and chicken by girls around him. His freedom disappeared with the start of the new school year. He was surrounded by girls who tempt him at the school and at the worn-down dormitory Azuma-sou: his glutton osananajimi Kanae, miko senpai Matsuri, lewd imouto Chifuyu, self-proclaimed ‘good girl’ kouhai Miyu, and the stupid ghost Hiiragi who for some reason won’t go to heaven. It’s a daily life unlike any other. Let’s have an exceptional youth!

[From Hau~ Omochikaeri!]

Main characters

Asu Miyu
Asu Miyu明日 未優 B
MeasurementsHeight: 149cm, Bust-Waist-Hips: 75-54-76cm
Hair, Pink, Twin Tails, Waist Length+
Eyes, Blue
Body, B Cup, Pale, Short, Slim, Teen
Clothes, Collar, Hairpin, Maid's Dress, Pajamas, School Uniform, Swimsuit, Thigh-high Stockings
Personality, Curious, Friendly, Honest, Mischievous, Naive
Role, Friend, Girlfriend, High School Student, Kouhai
Engages in, Cat Cosplay
Engages in (Sexual), Blowjob, Masturbation, Outdoor Sex, Virgin Sex
Subject of (Sexual), Cunnilingus, Doggy Style, Erotic Spanking, Missionary, Spoons, Standing Sex
Voiced byAkino Hana


New freshman that became friends with Kazuharu and his group. Is very friendly and honest but can be naive. Despite all the craziness of Kazuharu and his friends she tries to go with flow as best she can.

Yoshie Matsuri
Yoshie Matsuri吉江 茉莉 A
MeasurementsHeight: 162cm, Bust-Waist-Hips: 91-61-86cm
Hair, Red, Waist Length+
Eyes, Green
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Apron, Hair Tie, Maid's Headdress, Pantyhose, School Swimsuit, School Uniform, Skirt, Sport Bloomers, Torn Pantyhose, T-shirt
Personality, Airhead, Clumsy, Flustered, Hetare, Sensitive
Role, Domestic Partner, Friend, Full Sister, Girlfriend, High School Student, Miko, Older Sister, Popular, Senpai, Student Council Vice President, University Student
Engages in (Sexual), Bathroom Sex, Boobjob, Outdoor Sex, Sex in Classroom, Sex in Public Places, Virgin Sex
Subject of (Sexual), Butterfly, Cowgirl, Missionary, Quickie Fix, Tominagi
Voiced byMomoi Ichigo


Senior student and older sister of Izumi. Is best friends with Kamine though is often teased by her. Is self conscious of her weight often trying new diet fads and failing which leads to others teasing her more.

Yuizaki Kanae
Yuizaki Kanae結崎 叶衣 O
MeasurementsHeight: 160cm, Bust-Waist-Hips: 87-58-84cm
Hair, Blond, Long
Eyes, Red
Body, Average Height, D Cup, Pale, Slim, Teen
Clothes, Bikini, Hairpin, Hair Ribbon, Kimono, School Uniform, Sport Bloomers, Thigh-high Stockings, T-shirt, Wedding Dress
Personality, Deredere, Food Lover, Friendly, Lazy, Relaxed
Role, Childhood Friend, Friend, Girlfriend, High School Student, Mother, Wife
Engages in, Childbirth
Engages in (Sexual), Blowjob, Food Play, Outdoor Sex, Sex in Classroom, Virgin Sex
Subject of (Sexual), Butterfly, Doggy Style, Missionary, Quickie Fix, Sitting Sex
Voiced byMomose Poko


Childhood friend of Kazuharu. Loves food and Kazahura. Believes since she is childhood friends is destine to end up with Kazahura and get marred.

Side characters

Amamiya Ichijiku
Amamiya Ichijiku天宮 九 
Aliasesキューちゃん, Kyuu -chan
MeasurementsHeight: 166cm, Bust-Waist-Hips: 91-55-83cm
Hair, Black
Eyes, Red
Clothes, School Uniform
Personality, Confident, Mischievous, Pervert, Relaxed, Selfish, Strange
Role, Bisexual, Friend, High School Student, Senpai
Engages in (Sexual), Sex in School Infirmary, Virgin Sex
Subject of (Sexual), Quickie Fix
Voiced byFujisaki Usa


Senpai of Kazuhare and friends with his older sister. Similar to Chifuyu she is a big pervert however she does not discriminate and tends to project more on female friends. She is often muttering about perverted things that others try to ignore her.

Asaba Kamine
Asaba Kamine浅羽 守祢 
MeasurementsHeight: 167cm, Bust-Waist-Hips: 92-58-85cm
Hair, Blue
Eyes, Violet
Clothes, Bikini, School Uniform, Sport Bloomers
Personality, Arrogant, Blunt, Brocon, Confident, Insightful, Mischievous, Pervert, Relaxed, Selfish, Smart
Role, Full Sister, High School Student, Older Sister, Popular, Student Council President, University Student
Engages in, Polyamory, Teasing
Engages in (Sexual), Group Sex, Incest, Twin Boobjob, Virgin Sex
Subject of (Sexual), Missionary
Voiced byKawashima Rino


Older sister of Kazuharu. In comparison to Kazuharu she is consider to be a prodigy being smart, athletic, and popular. Worried about her brother becoming a hetare she gives him an ultimatum to make a girlfriend before end of school festival or suffer her wraith.

Yoshie Izumi
Yoshie Izumi吉江 泉 B
MeasurementsHeight: 160cm, Bust-Waist-Hips: 79-55-77cm
Hair, Short
Body, Teen
Clothes, Hair Tie, Hoodie, School Uniform, Skirt
Items, Guitar
Personality, Flustered, Idiot, Mischievous, Naive, Puffy, Rude, Selfish, Tsundere
Role, Classmate, Friend, Full Sister, Guitarist, High School Student, Younger Sister
Subject of, Inferiority Complex
Engages in (Sexual), Virgin Sex
Subject of (Sexual), Vaginal Fingering
Voiced byOgura Yui


Kazuharu classmate and Masturi younger sister. She tends to be butt of jokes and has a complex about having small breast.