Obsessions are something uncontrollable, sometimes they appear unprepared. And sometimes in a planned way.

Nao Sadatsuka is a somewhat scary girl, she is an accuser with Nakiri Erina and her assistant: Hisako Arato. The good thing is that you can't get closer than 50 meters to them..

She sent they 30 letters a day and looked at them from the perspective. There are strange people at Tōtsuki Culinary Academy