Originating as a popular South Korean webtoon, Fighting Is Too Easy—also known by its original title Ssaum-i Neomu Swipda—has earned a dedicated following among action and sports enthusiasts awaiting potential animated adaptations. The series redefines traditional martial arts narratives by centering on Lee Jae-ha, an unassuming young man with no ambitions who uncovers an extraordinary innate gift for combat. Despite possessing physical talents that outclass trained fighters, Jae-ha harbors zero interest in violence, preferring a quiet existence over the spotlight of the ring.

Everything changes when Jae-ha's persistent friend, Lim Myung-in, takes matters into his own hands. Recognizing Jae-ha's unrealized potential, Myung-in secretly registers the reluctant prodigy for Never Back Down, an intense reality show designed to uncover raw mixed martial arts talent. Thrust into high-stakes televised bouts against seasoned brawlers and hungry rivals, Jae-ha is forced to navigate the punishing world of professional combat. As he unwillingly tests his instinctual mastery under the lights, Jae-ha must balance his desire for tranquility against the thrill of genuine competition.