In the fourth year of marriage… although I love my wife, Mona, due to a twisted fetish, her husband, Masaya, can no longer get aroused. Masaya's fetish is "cuckoldry." Wanting Mona to be taken by another man, Masaya secretly finds a popular beauty salon on a cuckoldry bulletin board online. This salon has a hidden menu where they will seduce female customers and record the act on camera. Eagerly, Masaya makes a reservation and suggests it to Mona, but at that time, he couldn't even imagine her getting hooked…
