You are reading Green Smile Chapter 1. Umbi, a harp seal loses his mother. He meets Eco, a polar bear. Together, they go off to look for his mother. **Original Webtoon:** Chapters: [Naver Webtoon](https://comic.naver.com/webtoon/list.nhn?titleId=72938), [Naver Series](https://series.naver.com/comic/detail.series?productNo=11974168) Volu