Sex Rider: Wet Highway (1971)

On the day before her wedding, Mina's life changes dramatically after a sudden accident involving a young man named Ryo. Seeking comfort, she tries to reconnect with her former lover, Ozaki, at a motel, but he leaves her there in the midst of the turmoil. Feeling abandoned, Mina takes responsibility for Ryo and takes him to a nearby lake, where their lives become unexpectedly intertwined. The story explores themes of love, responsibility, and self-discovery as it examines how unexpected encounters shape our relationships and futures.