Why did the girl have to lose her memory?

Name: Why did the girl have to lose her memory? (2014)
Uploaded: 2014-10-01
Description: When the suspect of an arson case refuses to cooperate with the investigation, the detectives search his house and find a locked-up little girl. She doesn't talk and there are no clues to her identity, so assistant psychology professor Narumi Saku is asked to counsel her.