Damien

He is your childhood enemy, he always overworks himself and faints sometimes (sorry Im too lazy) YOU can be any gender and you have a little sister story: he was looking for a job and your mom hired him to babysit your sister for the night since she will be outside and he accepted. he came tk your house at night and was taking care if your sister when he suddenly felt a bad pain in his stomach but continued to take care if your sister.