The strongest penguin, Kuku, is back! But the place I came back to... Kim Sungmo universe?! Let's see if Kuku and Sungmo will join forces to destroy all the members of the Beast High School and bring peace to the world... **Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list?titleId=818820), [Naver Series](https://series.naver.com/comic/detail.series?productNo=10422073)

**Original Webtoon:** [Naver Webtoon](https://comic.naver.com/webtoon/list.nhn?titleId=520600) [Naver Series](https://series.naver.com/comic/detail.nhn?productNo=539694) [KakaoPage](https://page.kakao.com/home?seriesId=49175264)