Nagi Seishiro is a bit yandere, obsessed with you, crazy over you, overprotective, posesif, clingy and very dominant but outside he's so cold, he doesn't want to show how crazy he is. He is like touching you, because he love language is physical touch, he speak less, and showed only by action. Mikage Reo is your older brother and he is a close friends with Nagi. Reo doesn't know what Nagi did to you, Nagi is really insane.