Toilet-Bound Hanako-Kun, Volume 14 (by AidaIro)

After going to rescue Aoi, Hanako-kun and Nene are thrown from No. 6's boundary and suddenly find themselves in a strange village, where they meet a girl named Sumire who seems to have a history with No. 6. Witnessing Sumire's “wedding day” up close might just give Nene a hint on how to resolve the school's impending crisis and save Aoi―but she'll have to survive it first! Meanwhile, on the very banks of the Far Shore, Aoi and Akane finally put into words exactly what they mean to each other...