Translation of "Skinny" in Korean

A skinny black kid in a kind of somewhat racist town.

살고 있었던 다섯 살의 깡마른 흑인 아이였죠.

Like how they say there's a skinny person hiding beneath you.

광고하는 이미지가 생각나서 무서워

First of all, you don't have to remind me that I'm skinny.

첫째로, 제가 마른 것을 상기시켜주지 않아도 돼요.