Ecstasy(1988)

Original title: エクスタシー

A mysterious night of yellow and white skin in exotic Yokohama. Jiro, a university student who dreams of war, volunteers for the Foreign Legion. One day, he meets Edward, a US Marine, by chance at the port and helps him search for someone. However, during this time, Edward is captured and raped by a thug. He is released, but loses consciousness and goes to Jiro's house. However, he disappears again...