Ep. 10: Nana confronts Jin about his inaction and learns of her parents' murder.
Nana questions Jin for not using his talent to identify the committee member. She attempts to flee but is injured when Jin transforms into Moguo. Before losing consciousness, she shares details about her family. Upon waking in Michiru's room, Nana expresses guilt over her parents' death. At the funeral for Shinji, Yuka, and Kaori, she observes the negative impact of Michiru's talent. Later, Jin and Michiru visit her room, where Jin turns into a cat. Michiru asks about her past, prompting Nana to reveal she was a normal girl who loved games and manga until a burglar killed her parents after she left her window unlocked. Michiru comforts her. The following morning, Kyoya leads Nana to another corpse, leading her to realize a new killer is active.
Episodes
- Ep. 6 · Nana uncovers Yuka Sasaki as the true necromancer controlling Tsunekichi's corpse.
- Ep. 7 · Nana manipulates Yuka regarding her feelings for Shinji before revealing the truth about his death.
- Ep. 8 · Nana manipulates classmates to cover up murders while Kyoya uncovers her deception
- Ep. 9 · Nana faces Jin Tachibana who admits to impersonating Michiru and reveals past island conflicts.
- Ep. 10 · Nana confronts Jin about his inaction and learns of her parents' murder.
- Ep. 11 · Kyoya reveals Ryuji Ishii's death as Fūko Sorano seeks revenge and Nana discovers Michiru's unconscious state.
- Ep. 12 · Nana seeks Kyoya's aid to save Michiru while uncovering her tragic past involving Hitomi.
- Ep. 13 · Nana faces a deadly trap while Kyoya uncovers the true identity of the killer.