The Little Mermaid Arc

The Little Mermaid is the fifth story arc of Jibaku Shounen Hanako-kun.

Synopsis
Ever since the events at the 4pm Bookstacks and learning about Hanako's past, Nene has been acting off whenever Hanako is around. Even during and after school she wonders about who Hanako really is. She worries about how she is going to do toilet duty with her still needing time to process the info when Kou surprises her from behind asking help with a favor.