Acrobatic sex is not for everyone. But what hurts more? A dislocated vertebra or a broken heart? Newly-wed Kazuo adores his wife Chiharu, even though he wonders why sex doesn't seem to turn her on as much as paper sumo. Pink Film, a unique erotic subgenre of Japanese cinema, has had to struggle in the competition against cheap Adult Video productions, but Koichiro IKAWA proves it's still alive and kicking.