Step In, Now!

S1, E4: After the deathmatch, only 30 boxers remain. There's barely time to celerate survival as the third fight begins: ""The Three Rings"", each designed by 30-year boxing veteran Master Don Lee. Cage Ring: A tight 3m x 3m arena for close-quarters combat. Tag Ring: a cooperative battle where two boxers must fight as a team. Aqua Ring: a grueling showdown in the pouring rain. Stunned by the three battlegrounds unlike anything seen before, the boxers must rely on strategy and stamina to push their limits across unpredictable rounds. To stay in the game, a boxer must challenge their opponents. But in a twist, the challenged boxer chooses who they will face. A high-stakes battle of wits for survival unfolds. In this tense showdown, who will be the last one standing?