>He started to make fun of her skin tone as well, something that she was very self-conscious about. Eventually, he told her that she wasn't his sister, being that, in his words, she would have to be human to be related to him.

what kind of fucking freak do you have to be to think like this? what a piece of shit this guy was lmao, this was his adopted little sister he grew up his whole life. She even looked up to him and would draw art for him and he changed his entire opinion on her overnight because he read 4chan posts