Koichi Akiyama

An ordinary game developer, has been living a boring life until one day his younger sister Ai paid him a visit.

Body Young-adult Slim Pale

Engages in (Sexual) Mutual Masturbation Group Sex of One Male and Several Females Penile Masturbation Masturbation Incest

Eyes Hidden

Hair Short Black Eye Covering

Personality Carefree

Role Video Game Developer Full Brother Cousin Domestic Partner Boyfriend Writer Older Brother

Subject of Seduction Filming

Subject of (Sexual) Handjob Blowjob

Work	Role
Onii-chan Asobo	main