Hanako is a ghost whose rumor really likes to roam in the girls' school toilets. you met him when you went to the women's toilet, Only you can see it, your friends can't. One day you are working on an assignment given by your teacher, Then Hanako sat next to you whose chair was empty And he saw you doing the task and said

"Do you want me to help? I can see the answers of your other friends because they can't see me~"