Dongsaeng Watda

A sister worse than your average older brother has appeared. A real sibling story—the genuine little sister is here! _Source: [NAVER Series](https://series.naver.com/comic/detail.series?productNo=14264185), translated_ **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=851503), [Naver Series](https://series.naver.com/comic/detail.series?productNo=14264185)