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**Original Webtoon:** [Naver Series](https://series.naver.com/comic/detail.series?productNo=3689117), [KakaoPage](https://page.kakao.com/content/58968744), [Lezhin](https://www.lezhin.com/ko/comic/last_supper), [Comico](https://www.comico.kr/comic/7858) **Official Translations:** [Japanese](https://manga.line.me/product/periodic?id=Z0003023)
In 1993, at the first ultimate fighting championsip, a skinny unknown brazilian fighter takes the win without any severe injuries. People start to show interest in this individual's fighting technique that led to worldwide recognition of the brazilian martial art known as "Jiu Jitsu". Unchan is a whimpy teenager who has trouble with bullies at school. Although he wishes to fight back, he is not able to hit other people because of his traumatic childhood. He starts to gain a fighting chance as he gets into the non-striking brazlian martial art form. Now, let's see Unchan kick some ass! **Original Webtoon:** [Naver Series](https://series.naver.com/comic/detail.series?productNo=4709013), [KakaoPage](https://page.kakao.com/content/52622084), [Ridibooks](https://ridibooks.com/books/3498010869), [Bomtoon](https://www.bomtoon.com/comic/ep_list/tjqmaltus), [Lezhin](https://www.lezhin.com/ko/comic/submission) **Official Translations:** [Japanese](https://jp.piccoma.com/web/product/148564)