Jibaku Shounen Hanako-kun, also known as Toilet-bound Hanako-kun, is a Japanese anime series that follows the story of Nene Yashiro, a high school girl who encounters the ghost Hanako-kun in the girls' bathroom. Hanako-kun is one of the Seven Wonders of Kamome Academy, and together they uncover the mysteries and supernatural events occurring in the school. The series blends elements of horror, comedy, and the supernatural to create a unique and engaging narrative.