Saiki Kusuo no Ψ-nan 2 - episode 21 - 05 Jun, 2018

Kusuo's grandparents are lost on their way to visit. Kusuo is about to retrieve them, but then his grandfather meets Kokomi, while his grandmother meets Makoto. Both girls give a good impression to the grandparents as potential girlfriends. The temple staff put Reita Toritsuka on a three-day fast in which he cannot eat food, play video games, or read porn. Reita asks Saiki to help bring such things to him, but Saiki uses this chance to reform Reita. For Valentine's Day, Chiyo prepares homemade chocolate and a love note for Shun, but Nendo eats the chocolate. Shun reads the love note and, after thinking it's from another student, later interprets it as a secret message from Chiyo saying they should be sworn friends. However, when he miscommunicates this to Chiyo and leads her to believe that they are a couple. The Newspaper Club try to smear Kokomi by catching her being splashed on by a puddle. (Source: Wikipedia)