Irezumi, ai, rabu (1986)

The chairman of the yakuza who only feels lust for beautiful boys with tattoos. Two boys are kept there like toys. The boys' backs are soon tattooed by the sexy chairman, and they become more and more like sex toys. At first they are fine with this, but when love begins to grow between them, they betray the chairman and the organization to live as human beings and consummate their love, and go on the run. When the chairman discovers this, he tries to find them, no matter how dirty the means...