Toilet Bound Hanako Kun Gn Vol 07 Manga

Nene has suddenly been dragged inside a mirror, where she meets the spirit of a young boy calling himself Mitsuba. As they try to escape, the threat of School Mystery No. 3, the Hell of Mirrors, draws ever closer. Nene may have finally gotten herself into a mess that even Hanako-kun can't save her from-but will someone else come to her rescue...?