One day, a courier arrives at Kobayashi's house. Inside is an adult toy that I don't remember ordering. When I checked her address, her name was Lina, the wife of a couple of friends who lived next door to her. Kobayashi, who had never looked at his girlfriend Rina with a nasty eye, was filled with her delusions. Kobayashi visits the Ayana family. Lina, who doesn't know what will happen next, welcomes the starving beast with her usual smile...
