Noona and her BIG little Bro

Synopsis

Saetbyeol, an office worker who her colleagues love for her small and cute appearance! I’m a bit worried about her because she looks exhausted lately… “Saetbyeol, you seem exhausted these days.” “Yeah, because I was playing with my little brother.” “Really? You have a little brother?” “Yes. He’s cute.” “Wow~ He’s really…” Huh?!! Her little brother in the picture is a huge black man?! And this ugly figure is definitely… what the fuck?!

Also known as 조그만 누나와 큰 동생 (Step Sis)