Dochinpira 7 (1994)

Jin Kaito returns to his womanizing ways, despite Ranko's worryings. His next conquest? Tomoko, a fiery beauty who just happens to be the mistress of a powerful yakuza boss. Frustrated by her lover’s impotence, Tomoko unleashes her desires on Jin. But passion turns dangerous and Tomoko, obsessed with him, orders an attack on Ranko. Jin barely saves her and things seem to calm down, when the danger strikes: Kuwata, an ambitious underling, plans to take control over the gang.