Nene Yashiro and Kou Minamoto stay at Hanako's side as the three of them work to expose a traitor hiding among the Seven Wonders, the school's resident supernatural guardians. Spirits like Mokke and Lemon Yamabuki get pulled into the search as suspicion spreads through the group. This is the second half of Toilet-Bound Hanako-kun's second season, continuing directly from Part 1.