Yoji Akutagawa is an exceptional doctor who lacks people skills. He lives with his nephew Kento, who's in his second year of junior high. Unfortunately, the two have trouble communicating. So in an attempt to mend their relationship, Yoji offers to pay Mr. Yagi, Kento's tutor, 20,000 yen an hour to be his personal instructor on human emotions.Having realized his feelings for Mr. Yagi, Yoji gets ahead of himself and troubles Mr. Yagi. Mr. Yagi, on the other hand, acts calm but his mind is actually a huge mess. He successfully gets out of an awkward conversation, but when he gets home, he finds a visitor waiting by his door...