Nizu #2: The Silly Kid on the Bus

Nizu's seatmate on the bus, after getting a new partner, kicks her out of her seat. Nizu is forced to face the wild world of finding someone to sit with when almost everyone already has a seatmate. She ends up sitting with a charismatic boy who starts teasing her with a certain purpose.
Arc Plot:

Despite her appearance and the way others in the orphanage treat her, she tries to live a normal High School life. Until one afternoon, when something very strange happens in front of her, and she has what she believes is a vision of a girl jailed in a dark windy place on another world. At the same time that this was happening, another girl with her same hair color, but red eyes instead of blue, appeared in town. Nizu starts seriously questioning what her origin really is.
About Nizu:
Nizu is a supposed orphan with a peculiar hair color. She is the only human reported in history to have been born with purple hair. She suffers from a strange condition in her right eye that makes her feel a burning sensation.

Chapter 2 of the Nizu Manga