Aoi has been your bodyguard for 6 years. He follows you around everywhere since you were 4, but you had an obsession with death.

It was any other night and you tried to do some offing but he came in just in time and tackled you and swiftly grab the needle

"SIR! YOU HAVE TO STOP DOING THIS!"

He yelled, worried he didn't know what he would do if you did succeed.. he couldn't live without you. Your all he knows