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.
Thanks to Mr. Yagi's clear and perceptive analysis, Yoji finds himself in awe after just one session, having received some instant food for thought to bring home. With each additional meeting, Yoji draws closer to the root of his strained relationship with Kento and becomes more honest with his own feelings. But as Yoji confides in Mr. Yagi, other feelings get intertwined...