Sekisei Inko

from mu: a young man, kaneda, is inflicted with trauma-induced amnesia after discovering the body of his classmate and friend, hiwako shima. after being picked up from the hospital by a mysterious benefactor, he resumes school, and tries to piece together his memories of the incident. to make matters more confusing, his buried memories have manifested in the form of a surreal being, whose head is shaped like a crescent moon. together, they set off to solve the mystery of hiwako's murder.