Films written by Yutaka Sō

Hiden: Haragei 18-ban

Groper Hell

• N/A

Tortured Women's Dark History

• Drama

The Shocking History of the Death Penalty

• Documentary

Inmon: Shojo tsuma kantsû

Salome Tsunoda's Agony and Ball-Breaking

Forbidden Affair

Diary of a Violated Virgin—Female

• Drama
• Crime

Aru aibu!! Zubunure

Apartment Wife: Secret Research Society

Zeppin no akujo

Women's Dormitory (Sexual) Crimes

• N/A

Attachment of a Virgin

Monzetsu kôkyû toruko: Jun nama arai

Groper Express: Coming Soon

Japanese Night Crawl Festival

Inhuman Man-Killing Goddess

The Secret Story of the Onsen Geisha: Wet Pillow

Virgin Thieves

Groper Bullet Train