Nagi Iroi

Nagi Iori is a recurring character in the Kara no Kioku manga. He is Rei Tsukumo and Yukito Mutsuki's upperclassman. Nagi's personality, at the moment, seems silent and reclusive toward people he doesn't know. It is proven by Nagi's interactions with Rei, however, that he warms up to people. When he is swallows by his shadow he is extremely aggressive. His heart always hurt more than his body. (Source: Kara No Kioku/ Eve Wiki)