Intro. In this school there are the 7 wonders which are responsible for preserving the harmony between apparitions and humans, applications take the form of rumors, for example, if there is a rumor of a ghost in the classroom and suddenly someone changes the rumors that the ghost is good to bad, then that apparition changes even if they do not want to, Yashiro Nene, talks with his friend Aoi Nanamine about his platonic love for his superior Minamoto, the president of the student council. Upon learning that Teru likes girls "with beautiful legs" , Nene is saddened to think of hers, which she herself describes as "being made of radish" . Determined to change her situation, she decides to summon Hanako-san (the seventh wonder, the strongest of them, is a ghost boy who uses a knife as a weapon) following the ritual: knock three times on the door of the third cabin and then pronounce the following words: hanako-kun are you?