After serving time in prison, a former national judo athlete, Doo-Young, is reluctantly forced to take in his estranged blind brother, Doo-Sik. Despite their rocky relationship, the brothers must learn to navigate life under the same roof. As they clash over their differences, they soon find themselves embarking on a journey of growth, understanding, and brotherly love. "My Annoying Brother" is a heartwarming tale of family bonds, second chances, and the power of forgiveness. Join Doo-Young and Doo-Sik as they discover that sometimes the most annoying people in our lives can also be the ones who teach us the most valuable lessons.