Toilet-Bound Hanako-kun

Nene Yashiro summons "Hanako-san of the toilet," a schoolyard ghost-story spirit said to grant wishes, hoping for romantic luck — and instead becomes the reluctant human assistant to Hanako-kun, a ghost boy bound to his school's supernatural bureaucracy. As she's pulled into managing the wandering spirits behind the school's seven wonders, she starts uncovering the truth behind Hanako-kun's cheerful front.