Joining the Club! / You Said You’d Join? I Lied! / I Wanted to Play a Realistic Survival Game

On her way to the first day at her new high school, Momoka Sonokawa encounters a strange woman who brings a pair of guns out at a train molester, only to get arrested herself for possessing firearms. Momoka spots the same woman at her school and follows her to a dilapidated building, where she ends up being caught by the school’s Survival Game Club.