
S01E01 A Friendly Step
It is the first day of teaching for Daisuke Aoki and his third grade class. During the course of the day, he learns about the reasons behind Mimi Usa's extended absence from school. Her absence...
Summer break is quickly approaching, and Rin becomes saddened by the fact that she won't be able to see Aoki. Aoki tells her that he will still be at school to monitor the pool. Rin spends her summer with Kuro and Mimi, but at one point she is alone due to Kuro and Mimi's family-related absences. Rin remembers what Aoki says and goes to the school where she finds Aoki talking with Hoin. Aoki spots Rin and chases her to the pool where Rin pushes him in. She hugs him and they watch the fireworks.
23-year-old school teacher Aoki Daisuke has a huge problem. One of his students, Kokonoe Rin, has proclaimed herself to be Daisuke-sensei's girlfriend and is now on the warpath to win him over or get him fired.