In the city of Tokyo, Utahime Iori, a high school teacher, is a thirty-one year old woman, with a good salary and a good career, but despite this she cannot find a partner. Despite Utahime's various attempts to find love, unfortunately the results are in short supply. One evening however, Mei-Mei, a dear friend of Utahime, fed up with her friend's relationship status, Mei-Mei invites Utahime to a party in a nightclub, together with her friends. And it is precisely there that she will have a rather 'attractive' encounter