Just when Nana thinks she's gotten off scot-free, it's revealed that there's a necromancer in the class who can manipulate dead bodies and draw out their memories and talents.

Between Nana's whereabouts during the mysterious murders, her suspicious behavior, and now the pile of dead bodies in the forest, Nana's classmates are starting to suspect her. She devises a scheme to cover her tracks using the pair of gyaru bullies.