Masumi Hirayanagi
In 1980, he co-wrote the screenplay for "Crazy Thunder Road" while he was a student at Nihon University College of Art. After working for C.A.L., a TV film production company, he became a freelancer in 1985. Since then, he has written many TV and theater animations, pink movies, etc.
Crew

Groper Train: One Minute Before Departure
Screenplay

Chikan Terekura
Screenplay

Eizu o buttobase: Momoiro puttsun musume
Screenplay

Sexy Battle Girls
Screenplay

Tama from 3rd Street, please! Find Momochan!
Screenplay

Welcome to the Ogenki Clinic: Feel Good All Over Again
Screenplay

Shin mibôjin geshuku: Yoru no tehodoki
Screenplay

Crazy Thunder Road
Screenplay

Groper Train: Touch That Girl
Screenplay

Chikan densha: Kaikan shanai
Screenplay

The Real Thing: Daughter Torture
Screenplay

Miho Yuki no Madonna Zecchô
Screenplay

Groper Train: Feels Like Climax
Screenplay

Groper Train: Danger Signal
Screenplay

Groper Train: Touching and Going to Work
Screenplay
Female Teacher: Lewd After School
Screenplay

Mari wa tenshi no nioi
Writer

Lolita Production ONANIE
Screenplay
Uniform Screams: Panic
Screenplay
Innocent Sisters! Chibo and Marco
Screenplay