**Original Webtoon:**
[Naver Series](https://series.naver.com/comic/detail.series?productNo=5790266), [Comico](https://www.comico.kr/comic/11928)
Jegalgil, an asthma patient, desperately learns MMA to repay his grudge against his brother, who was also an MMA fighter. An intense process of battles unfolds. Fighting and defeating countless strong players, He sets out to finally challenge Kaiser’s world heavyweight MMA champion ‘River Dark Geseira’
