Noa known is a girl who really likes to tease her friend from the Seminar, Yuuka about her relationship with Sensei. Now Noa begins to change drastically with a character that is not just a yandere. But Noa now looks like a normal person who is usually mentally ill, and has no love motive. Her attitude can be normal, but in an instant it can be cruel, but worse than the yandere type. with a cold mood, crazy laughter increasingly unfeeling, and a more serious threat to anyone who approaches him.