Two brothers, Jong-hyeon and Seong-hyeon, have been engaged in a 17-year rivalry, fueled by their mother's favoritism towards the older brother. When they both fall for the same girl, tensions escalate, and a long-simmering conflict finally boils over. In the midst of the chaos, Seong-hyeon reveals his long-held desire to be called "hyeong" by his younger brother, a word that symbolizes their sibling bond.
Uri hyeong
Two brothers, Jong-hyeon and Seong-hyeon, have been engaged in a non-stop rivalry for 17 years, with Jong-hyeon being a skilled fighter and Seong-hyeon a top student, showcasing their contrasting personalities.