- Rin (Nakama Yukie), who works at a publishing company and is someone who has not dated in 8 years. She has been too busy working and looking after her siblings after their parents passed away. Her colleagues and boss consider her "difficult" to handle because of her strong-willed personality.
One day, she goes to her best friend's "divorce celebration" with Nanako who lives in the same apartment. There, she meets Matsumoto, a dentist, Tada, a researcher at a food manufacturing company, and Shunpei, a part time worker. Few days after the party, all three of them contact her but she has been out of the dating market for so long, she does not know what to do...