Due to a certain fate, Hajime joins the company where his childhood friend 'Fuua' works. Although the company required a lot of overtime and could not be called a white company, in fact, her old favorite Fuua had become even prettier, and she was happy to be working at the same company and was having fun. However, she had a hidden side as the mistress of her company president. Hajime notices this and is shocked, and Fu struggles in the swamp of infidelity.