Rena takes her work seriously, but she doesn't get along with her curt boss, Mr. Odagiri. One day, she sees him smile and now she can't stop thinking about him. Even though he's strict, he has a cute side and he pays attention to her... She loves his soft side that he doesn't show to anyone else. He kisses her and whispers in her ear, "If you're interested, I'll teach you." In bed, he shows yet another secret, beastly side of himself... This is a sweet, erotic love story between a girl and her cool boss.