Tsuma, Shougakusei ni Naru.: Season 1, Episode 7

1 - 7: A Sign of Happiness

Mai and Keisuke receive a surprise visit from Renji. Keisuke is shocked to learn that Mai has a boyfriend and depressed to realize that she might eventually move out. Moriya notices Keisuke's mood at work and tries to think of a way to help cheer him up.