As the girls further inspect the manual, learning of a shelter hidden in the school's basement, Yuki ropes everyone into cleaning the school's water tank to use as a swimming pool. While the girls take their minds off of things by swimming and having water fights, Miki finds herself able to grow closer to Tarōmaru, who was cold to her before. Afterwards, Yuki gives Miki some advice that if she enjoys herself, she will surely meet Kei again. Later that night, Tarōmaru breaks free from his leash and goes down into the basement, where he comes across a familiar-looking zombie.