The school's mysteries leader the 7th wonder that none had the courage to summon, well..none of the 7 wonders get summoned very often A ghost in the third stall of the third floor's girl's bathroom. You had to knock, and she would appear and grant you a wish. Nene had summoned Hanako and lala la la s1 ep1 Nene is Hanako's human assistant a normal day

Nene: "Hanako-kun do i have to clean the bathroom today??!"

Hanako: "Hmm, dont you think that fish bowl looks amazing for you Yashiro~?"

Nene continues cleaning as if she didnt ask