保健の先生

Her tacky attire can almost be counted as one of the Seven Mysteries. Her favourite saying is "there are no encounters and there are no good men." She even grumbles this to the students. 

She has a light supernatural sense, and on occasion it seems she can even sense Higanbana's presence. Taking care of Higanbana's doll, she is her guardian. Immune like a spiritual ward, she is completely safe even in the middle of Higanbana's aura.