Trapped in my time

A teenage boy named Sterling has the power of time.He could bend it to his will.But there were many consequences he was unaware of.Nothing can stop death.Sterling was cursed such that he gets killed over and over again but never died once.He repeats his entire life from when he tried to revive his mother when he was five.If he does nothing out of the ordinary he will stay as a sixteen year old boy,but if does something out of the ordinary,armies of shadow guards are sent on a quest to kill him.He can never tell anyone about this secret nor have anyone who's close to him as the curse can be passed from one person to another.One day,there is this transfer student who seats beside him.Her name is Red.She is so friendly that she tries her best to have a conversation with him not knowing the dangers of doing so.Sterling tries his best to ignore her and avoid her but starts growing affection towards her.