[Toshima Koharu] Toshima has beautiful, translucent skin and a beautiful face. She works in the beauty industry as a beauty coordinator. But her private life is a far cry from her charming demeanor. Her problem is her mother-in-law, a mama's boy who makes all the decisions that a couple should discuss together. Apparently, her mother-in-law is also responsible for everything, including the house they live in, the car they own, and even when they want to have children. She came here today to escape the suffocating atmosphere of her private life. [Kitamura Machiko] She currently lives with her husband and two children, but her relationship with him has actually become strained due to his infidelity. She decided to continue her current lifestyle, saying, "Until the children are independent..." but occasionally wanted to unwind, so she started going out drinking with her mom friends. However, she ended up having a physical relationship with a man she met at a bar, and the couple ended up in a double affair... But after experiencing the thrill, she began to seek more excitement.