Nagisa has a secret. A secret eve his mother doesn't know. When it is accidentally uncovered by Koro-sensei, Professer Bitch, Karasuma-sensei, Karma, Terasaka, Hazama, Itona, Muramatsu and Yoshida; he has to try to trust them. "I trust with other things, but, I'm not sure I can trust you all with this." He said uncomfortablly.