Masahiro Kasai
- Known for
- Directing
- Born
- July 24, 1960
- Birthplace
- Kagawa Prefecture, Japan
Pink film and AV director
Filmography

Uniform Gals: Underwear Encyclopedia 1992
Director

Kinbaku Sakasazuri 1992
Director, Screenplay

Groper Train: Wet Commuter 1991
Director

Cruising Love Story 1991
as Sauna customer, Producer

Female Neo-Ninjas 1991
Director

Real Trainer SM Breeding 1991
Director

We Have Tomorrow! 1990
Director
- Ijô Fûfu Seikatsu: Mitsu Mamire
Ijô Fûfu Seikatsu: Mitsu Mamire 1990
Director

Groper Train: Don't Stop, More! 1990
Director

Mature Young Wife: The Swapping 1990
First Assistant Director

Ryôjoku! Hakui o hagu 1990
First Assistant Director

The Woman from Hong Kong - Too Amazing Pleasure 1989
Director

Molester's Train: Get On from the Back! 1989
Director

Wakazuma: Ushiro Kara Hiraku 1989
Assistant Director

Groper Train: Oral Attack 1989
Assistant Director
- Abnormal Excitement: Nao Saejima
Abnormal Excitement: Nao Saejima 1989
Director

The Assault: Lower Body Torture 1989
Director, Screenplay

Youthful Bastard 1989
Director, Screenplay
- Uniform Screams: Panic
Uniform Screams: Panic 1989
First Assistant Director

Groper Train: I Like the Inside 1989
Director

Wakazuma Fuhô Kankin 1989
Assistant Director

Meiki Hitosuji 1989
Assistant Director

An Exciting Afternoon 1989
Assistant Director

Groper Train: Butt Boasting 1989
Director

My Brother's Wife: In a Dream 1988
Assistant Director
- Chikan densha: Oshiri o futte onedari
Chikan densha: Oshiri o futte onedari 1988
Director, Screenplay

Inran Sisters 1988
Director

Groper Train: Lewd Fingertips 1988
Assistant Director

Subway Serial Rape: Lover Hunting 1988
Assistant Director

Groper Train: Touch That Girl 1988
First Assistant Director

Women in Love: Trembling Triple Ecstasy 1988
First Assistant Director

Survey Map of a Paradise Lost 1988
Assistant Director

S&M Hunter: Wife to be Molested 1987
Assistant Director

Za gyakutai: Nyotai ikedori-hen 1987
First Assistant Director

Groper Train: Feeling It Since Morning 1987
Assistant Director

Groper Train: Pleasure Inside the Car 1987
Assistant Director

Groper Train: Start at the Back 1987
Actor

Kick AIDS Away: The Pink Crazy Girl 1987
Assistant Director

Beast-Man (Wolf) 1987
First Assistant Director

Boko climax! 1987
Assistant Director

Shin mibôjin geshuku: Yoru no tehodoki 1987
First Assistant Director

Chikan Terekura 1987
Assistant Director

Groper Train: Touching and Going to Work 1987
Assistant Director

Maiden's Provocative Panties 1986
First Assistant Director

Subway Serial Rape: Office Lady Hunting 1986
Assistant Director

Exposed School Swimsuits 1986
First Assistant Director

Save the Last Dance for Me 1986
First Assistant Director

Molester's Delivery Service 1986
First Assistant Director

Groper Train: Under Skirt 1986
Assistant Director

Groper Train: Feels Like Climax 1986
Assistant Director

Sexy Battle Girls 1986
Assistant Director

Farewell, Friend 1986
Actor

Office Lady Kidnapper: Strip! 1985
as Audience at Lip Cream

Groper and Uniform 1985
as Pick-up artist

Wife Collector 1985
First Assistant Director

Molester's Train: 1 Centimeter From The Wall 1985
as Secretary, Assistant Director
- Sex Virgin Unit: Party of Beasts
Sex Virgin Unit: Party of Beasts 1985
Assistant Director

Molester's Tour Bus 1985
as Bus Driver, Assistant Director

Wakazuma Misshitsu Bôkô Jiken 1985
Actor

Subway Serial Rape 1985
as Gang member, Assistant Director

Molester's Train: One Shot on the Train 1985
First Assistant Director

Groper Train: One Minute Before Departure 1985
as Passenger, Assistant Director

Pink Physical Examination 1985
Assistant Director

Distorted Sense of Touch 1985
as 7-Eleven cashier, First Assistant Director

Molester's Train: Seiko's Ass 1985
as Police officer, Assistant Director

The Bondage 1984
as Sabu, Second Assistant Director
- Hatsujô Dorei Fujin
Hatsujô Dorei Fujin 1984
Assistant Director

Female Prisoners: Brutal Treatment 1984
Actor, Second Assistant Director

Sex Maniac Torture 1984
Actor

Hometown Porn Girl 18! Seeding Festival 1984
Actor

High Noon Ripper 1984
Assistant Director

Groper Train: Wedding Capriccio 1984
as Man, Assistant Director

Kuroi bokan: fukei o osou 1984
Actor
- Delivery Wife: Get Wet!
Delivery Wife: Get Wet! 1984
Second Assistant Director

Groper Train: Search for the Black Pearl 1984
Actor, Assistant Director
- Mobile Prostitution: It's Okay to Go
Mobile Prostitution: It's Okay to Go 1983
Assistant Director
- Crying Rope, Missing Black Hair
Crying Rope, Missing Black Hair 1983
Actor
- Heart-shaped Orange
Heart-shaped Orange 1983
Assistant Director
- City Boy's Blues
City Boy's Blues 1983
Producer, Director, Screenplay
- THE NEXT WORLD
THE NEXT WORLD 1982
Assistant Director
- You Don't Know the Taste of Love
You Don't Know the Taste of Love 1982
Producer, Director, Screenplay, Editor
- Shinjuku Night Festival
Shinjuku Night Festival 1980
Director, Screenplay
Credits from TMDB.