Toilet-Bound Hanako-Kun, Volume 12 (by AidaIro)

Shijima-san is willing to help Nene and her friends escape from the painting, but they don’t have much time to reach the distant exit before they’re trapped inside for good. To make matters worse, Hanako-kun is pulling out all the stops to keep them from leaving. And when Nene puts everything she has into trying to convince him to let them go, she’s shocked by the genuine emotion that wells up from him in response...