Ryosuke, Minami, and Shoko, who grew up as childhood friends, are a good friend of three who live together even after graduating from high school. One day, Minami, who was originally Obasan's face, went to study abroad when Ryosuke confessed to Shoko. However, Minami, who suddenly disappeared, returned to the front of them two years later. However, the appearance of Minami who reunited was a beautiful gal like another person by plastic surgery. Furthermore, the south that came back is actually a ghost ...

Kanako, an underwear salesperson, is wondering with whom she will spend the "Yui no Hi" established by the government. However, she is hard to decide on a partner, and she seduces the men of the customers who got in the sex appeal strategy, but all of them end up unexploded. Meanwhile, Shuji, who was once a lover, appears and begins to take care of her.

Hoshino is an office worker who was abandoned by his wife due to playing with women. He pretends that he has "half a year to live" based on the symptoms characteristic of middle-aged people that were revealed during a medical checkup. Miyuki, a delivery health girl who had a blast playing cosplay, continues their relationship with Hoshino for the purpose of getting insurance money from his lie. Hoshino was able to win the woman over with ease, and the next day he met a mysterious woman, whom she named Maki, and they began living together. She says she's an alien, so she gets all her earthly knowledge and indulges in cosplay! During the exciting days, Miyuki and Yuko's battle begins as they travel around Hoshino...

Daisuke, who works for a large company, is dating Natsuki, whom he met at a party. When I visit her room, she is absent, and her roommate, an English teacher, Yui, shows up after taking a bath. When he seduces Daisuke, who can't hide his turmoil, he ends up hugging Yui. Daisuke says that he is prepared to break up with Natsuki, but he is kicked out because he doesn't think she's his woman just because he slept once.