Kodomo No Jikan Temporada 1 Episódio 4

Aoki gives all of his students a home visit notification. After talking with Shirai, Aokis curiosity about his students leads him to the archives where he learns about Rins mother. Aoki begins to treat Rin with a lot of care, however when he hands out the home visit cancellations, he slips up about Rins mother, which causes Rin to become depressed for being treated like a fool. After Aoki visits Rins house and talks with Reiji, he mends his relationship with Rin by telling her that she is important to him.