Nariyuki, Rizu, and Sawako go to an open campus event. Rizu inadvertently dazzles a math professor with her skill and is invited to join the department. Meanwhile, Nariyuki and Sawako both want the other to become closer to Rizu, so they use every excuse in the book to get away, which eventually leads to Rizu’s abandonment,
　Asumi’s maid café hosts a board game event! Lured by the rare board games, Rizu becomes a maid and gets to participate by helping out. The customers swarm around the maid in glasses and Rizu’s skill at games only fans the flames!