A dull, unreliable middle-aged salaryman, Tamaki Kuroudo, is treated as a hopeless old man by everyone. Teased about his pot belly, treated coldly by his daughter at home, and when he happens to glance at his wife’s phone, he sees suspicious call logs with one of her coworkers. As he spends his pathetic days, his capable subordinate Ayase Mizuki invites him to the equipment room. While helping him, she reveals a different side of herself, and Tamaki finds himself drawn to her.
