The MBS drama series "Red Blue" follows two high school students whose lives take a dramatic turn. Aka is a gifted natural fighter who relies on pure instinct and power. In contrast, his childhood friend Ao is a studious and timid boy who avoids conflict. After a violent incident, they are pulled into the brutal world of underground martial arts. To protect themselves and climb the ranks, they form the ultimate partnership. Ao uses his brilliant strategic mind to analyze opponents and devise fight plans, acting as the "brains" for Aka, who serves as the "brawn." They face increasingly dangerous foes, testing their skills and their bond. The series has ended, but sign up for a reminder just in case it returns.