Reiko Mikami

Reiko Mikami is Kouichi's slightly idolized aunt who he lives with after moving to Yomiyama. She is also the 3-3 class deputy homeroom teacher, Mikami-Sensei. She is revealed to be "another one" and the origin of the phenomena. Originally she died from drowning two years ago, when she was the homeroom teacher of 3-3 class.

Personality
She gives Kouichi lots of advice on how to get by living in Yomiyama. She seems to get very upset when someone talks about the incident 15 years ago when she was in the 9th grade in class 3. She even states that she hates her bird.

Appearance
She looks young for her age and mainly wears a yellow top with green long pants. She has long brown hair and brown eyes, just like Kouichi.

Plot
She first appears at the hospital when she visits Kouichi in the hospital when he was sick and tells him information about how to live in Yomiyama. When Kouichi becomes suspisious about his class' curse he asks her abou it. She yells and says that she can't help him.