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.
| Actor | Role |
|---|---|
 Ko ShibasakiSu-chan | Su-chan |
 Yoko MakiMai-Chan | Mai-Chan |
 Shinobu TerajimaSawako-san | Sawako-san |
 Megumi SatoMika Iwai | Mika Iwai |
 Ai TakabeChigusa Maeba | Chigusa Maeba |
 Aoi YoshikuraMinami Koba | Minami Koba |
 Mio UemaChika Takeda | Chika Takeda |
 Shota SometaniKosuke Chiba | Kosuke Chiba |
 Arata IuraNot listed | Not listed |