Nene Yashiro serves as the assistant to the School Mystery Hanako-kun. When she is invited by enigmatic playboy Natsuhiko to a mysterious tea party, she meets H

Nene steps into the spotlight! The mermaid kingdom hasn't forgotten her, and they're back to claim what's theirs! Can Hanako protect her from becoming permanent

Nene and Kou want to learn more about their mysterious friend, Hanako-kun--and what better way to do that than school mystery number five, The 4pm Bookstacks! T

After being ripped apart by the severance between this world and the next, Nene and Hanako-kun are finally reunited. That being said, it’s not exactly a happy

Nene Yashiro has made a pact with "Hanako-san of the Toilet" aka Hanako-kun to hold off the curse that has been placed on her. To rescue her friend from the clu