Kirishima Reiichi

桐島 零一

Kirishima Reiichi
Kirishima Reiichi桐島 零一 
Birthday28 December
Hair, Green, Short
Eyes, Green
Body, Average Height, Pale, Slim, Teen
Clothes, School Uniform
Personality, Confident, Curious, Funny, Kind, Pervert, Proactive, Smart
Role, Artificial Intelligence, Clone, Coder, Friend, Gamer, High School Student, Older Brother, School Extraordinary Club President, Scientist, Senpai, Step Brother
Engages in, Sexual Harassment, Teasing
Subject of, Amnesia, Teasing, Time Loop
Engages in (Sexual), Anal Sex, Bathroom Sex, Bondage Sex, Butterfly, Cowgirl, Cunnilingus, Doggy Style, Group Sex of One Male and Several Females, Missionary, Non-blood-related Incest, Outdoor Sex, Public Masturbation, Quickie Fix, Reverse Spitroast, Rope Bondage, Sex in Public Places, Sitting Sex, Sixty-nine, Spoons, Standing Sex
Subject of (Sexual), Ball-cupping, Blowjob, Boobjob, Handjob, Tribadism on Penis, Twin Blowjob, Twin Boobjob
Visual novelsProtagonist - Hikari no Umi no Apeiria
Protagonist - Hikari no Umi no Apeiria ~Casablanca no Kishi~
Voiced byFurukawa Tetsuto (Partial)


The protagonist. Has handsome looks, and as such he is popular among the girls. He's a boy who understands the feelings of people and always ready to help them. He's usually joking and playing with others, but has good science knowledge. By chance, he succeeds in his development of an artificial intelligence – "Apeiria."