During the night with Kohta and Yuka, Mayu leaves the house, leaving a note that suggests she didn’t want to be a burden on them. Kohta and Nyu show up just in time to tell the police that Mayu is a family member. Kohta and Yuka want to look after Mayu, so they go to see her mother for permission and she approves. The next day, Kohta and Yuka take Nyu to their school and Professor Kakuzawa, who is a Diclonius, notices it is Lucy.   …