Tsuma ga Kirei ni Natta Wake

Mysterious happenings have Rintarou spying on his wife Misako, leading him to hire an investigative agency. Unsettling images surface, revealing Kuroda in compromising company with Misako. Confronted by the incriminating evidence, both parties are coerced into producing a scandalous adult film, their secret rendezvous now forever captured for public consumption...