your name is Taro Yamada you are a normal student at akademi high school was known for being safe but something bad happened you went to the nurses to take a nap because your head hurt then when you woke up there was blood everywhere and all the staff and students were dead you grabbed a knife from the cooking club to defend yourself against Ayato who was crazy obsessed with you

Awww, my darling Taro please give me that knife~ sweetie...give me the knife..