During winter break elementary school teacher Kyoko Uno gives supplemental lessons to her student Teppei, who is behind in school. Kyoko has an unusual bond with Teppei's mother Mie. Meanwhile, Kyoko's son Sanshiro is supposed to be at an overnight sports camp, but Kyoko finds out that he was caught shoplifting.
High school junior Hagi (17) quits school and is spending a lot of time at home when his father reveals that he has another house with a mistress. His father wants to end the relationship and asks Hagi to get the woman to move out. Hagi gets to know his father's mistress, and grows up in the process-
Kawamoto Tsugumi is a woman who is not good at interacting with people and has no friends. When she comes across an Instagram account nicknamed "White Horse", she is fascinated by how the meals are captured very attractively in the photos. The posts and captions resonate with her. Tsugumi starts to go for meals on her own by eating the same food as "White Horse". On the other hand, Shiraishi Kazuma who manages the "White Horse" account, is delighted about and eagerly anticipating the only "like" he gets for his posts from Tsugumi.
