Discover the ultimate manga experience with the Toilet-bound Hanako-kun Series! Nene Yashiro serves as the assistant to the School Mystery Hanako-kun. Whenshe is invited by enigmatic playboy Natsuhiko to a mysterious tea party, shemeets Hanako-kun’s "girlfriend" and his "little brother"…!? On top of that,she learns that one of the Seven Mysteries is mixed in with her classmates…