Dark Mist

Rosemary was a 16-year-old girl who recently transferred to a school in Japan from America. She is an aloof girl that suffers from memory loss. One day when she was in class, she suddenly blacked out. When she woke up, everything was pitch black, but she didn't care at all. She concluded that she died and was given a second chance at life. Kumo desu story with a dragon OC.