Oppa this is all a mistakeOppa, This Is All a Mistake!; Not You, Your Brother!; 오빠 그건 오해야

On the day I was planning to confess to my childhood friend of ten years, I ended up stealing his brother's underwear left out to dry. His brother mistakenly thinks that I have feelings for him and goes so far as to report it to the police. Oppa, it's a misunderstanding; I like your younger sibling over there