Su-chan, Mai-chan, Sawako-san follows the lives of three women who are former co-workers. 34-year-old Su-chan works at a coffee shop and has feelings for the manager there. 34-year-old Mai-chan works at an OA machine maker. She is in a relationship with a married man. 39-year-old Sawako works as a web designer and also takes care of her grandmother. -san and her mother take care of her grandmother.

Tsukasa got into a severe car accident when she was a high school student. She still suffers from the effects of that accident, with memory impairment and needing to use a wheelchair. Tsukasa falls in love with taxi driver Masaki. Even though they have difficulties, they try to make a happy family together, but they encounter another serious situation.