Maki is a career woman who works at a major cosmetics company and is highly respected in the company. She has been dating Taichi, a kind and refreshing boyfriend who works in another department, for two years, and her life is going smoothly both in work and in love. However, one day, Maki sees Taichi being friendly with another woman and feels a slight premonition. Meanwhile, everyone in the company is talking about a handsome quarter-Japanese man from the headquarters in Paris. Maki has no interest in that, and he doesn't care about it, but as soon as he sees Maki, he suddenly hugs her!? "I came back to Japan because I wanted you." The man is Maki's childhood friend who used to live next door, "Claude the Unbeaten," her rival.