A live action film based on Akutagawa Prize winning novel "Tomogui (The Backwater)" written by Shinya Tanaka comes out on Blu-ray. Plot: Set in 1988 in Shimonoseki, Yamaguchi Prefecture, a 17-year-old boy, Toma lives with his father and his father's lover. His father is normally a cheerful person, but he has an awful tendency to hit a woman during sex. One day Toma witnesses his father's sadistic behavior towards his lover and, he soon realizes he has inherited his father's habitude... *Rated 15-and-over.