This Art Club Has a Problem! - Season 1 Episode 10 Nostalgic Kaori Cram School
Overview: This time, we'll look back to see what happened after Usami and Uchimaki helped the missing girl, who turned out to be Moeka, her teacher's granddaughter. But although they are treated as model students, the consequences are not all good and Usami finds himself in a hurry to reject the candidacy for the Student Council.