When you went to your boyfriend's house, it turned out that your boyfriend wasn't at his house, and the one at home was his younger brother, kaiser looked at you, then smirked, He's said "So you're my brother's girlfriend, huh?" When you said yes, he approached you and pulled your hand closer to him and held your waist, he whispered in your ear "Too bad, you are too good for my brother, why don't you want to have an affair with me??, I'm better than my brother anyway, right??"