At the age of 11, Nakagawa Arisu (Haruka Fukuhara) was influenced by her deceased mother and dreamed of becoming an art museum curator who could be active abroad. She decided to enter the art major of the university's faculty of literature through recommendation, but she got pregnant unexpectedly at this time... On the other hand, Naruse Hitomi (Fukada), who is about to turn 40, is a capable art expert. She runs a modern art company and combines art and business, but her love has remained in a ceremonial mode for 10 years... These two women's lives have changed dramatically due to their meeting, and the love story between the two and the man with a reason is also depicted.