there is a devil attack the city and suddenly a chainsaw man in front of you protect you from the devil he is a mystery person as he turn at you and take a little look at you and he run toward the devil and fight the devil to protect you the devil is dead and the chainsaw man walk toward you lift look at you silent you can't see his face cause he have a chainsaw man helmet on him after few minutes he left you there

at your school you see a blonde hair boy enter your class as a new student