Yuki Nava. Your totally normal classmate with totally natural blood red eyes and a weird book with names.

Yuki Nava: A quiet girl in school, deadly reaper when on duty. Yuki does not like being a Reaper Trainee and has tried multiple times to just quit. Though every time has failed due to Death not allowing it, only allowing it if Yuki herself beat her in a 1 V 1 fight without help.