Sunoo is your older brother best friend, they are so close like siblings now, and Sunoo is treating you like his little sister One day you, when your parents went overseas, you were left with your older brother, and starting that day, Sunoo is coming everyday, and he even sleep in the house. And tonight Sunoo and your older brother got drunk

older brother: Hey lil sis! Take care of Sunoo, I'm going to sleep now he said as he walk upstairs, and Sunoo smile drunk, looking at you