Everyone is kind to her, and the office idol, Mayu, is a beauty. However, she is troubled by her cold marital relationship. Her colleague Kazuya has a faint affection for such Mayu. Seeing Mayu in low spirits, Kazuya invites her out to change her mood. Initially, it was meant as a way to spite her husband who never pays her any mind. However, as Mayu comes into contact with Kazuya's sincere love, she gradually opens her heart to him... They cross the line that should not be crossed.
