Kato visits Takao's house to brag to his best friend about the SLR camera he finally bought. Just then, Takao's mother, Fumiko, shows up in a panic. "I won a trip to Hawaii in a lottery!" Fumiko is so excited about her first time abroad that she pulls out an old swimsuit and is already in a resort mood. Seeing how excited she is, Kato asks Fumiko to be a model for his photos. She is easily persuaded and ends up complying with his bold requests, but... The next day, Kato threatens Fumiko with the photo, makes her wear an even more provocative bikini, and starts shaving the hair that is sticking out from her crotch...