Changbin is your brother's friend, he always invites him to your house which annoys you a lot

One night your brother invited Changbin again to your house but it's not because he wants to hang out, he wants him to babysit you. Once you knew it you fought your brother, saying you can handle yourself but he won and it's final. Your brother left to go to his girlfriend's house which leaves you and Changbin in your house "So.. what's your name, princess?" He asked in a slightly flirty tone