
Toilet-bound Hanako-kun
"Hanako-san, Hanako-san... are you there?" At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said...

Kids and ghosts. When young Satsuki finds an old book of spells from her passed away mother, she gains the power to fight ghosts that are haunting her new school. With the help of her friends, and of a really wicked devil cat, she must protect everyone around her or be haunted for ever more. (Source: Anime News...
The opening is more atmosphere than hook.
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