The 4pm Bookstacks Arc

The 4pm Bookstacks is the fourth story arc of Jibaku Shounen Hanako-kun.

Synopsis
While Nene is investigating the library to learn the past of Hanako she meets Nanamine. She tells her that if she wants to learn the info she is wanting she can go to the 4pm Bookstacks. She then exits the room and disappears into the hall of the school. The next day Nene asks Akane about the Bookstacks. Aoi details the Bookstacks and tells Nene to look out for red book and if she find them, she won't have a future anymore...