Doojin and his sister are in the middle of a fight, and they're worried about what's going to happen to their dog, who's trying to stay in the dog's kennel. They decide to leave the room and go to sleep, but they don't want to wake up the other two, who are still in the room. When they do wake up, they find that their dog is still in his kennel, but he's not scared of them. He's just trying to get out of the room so he can go back to his room. The other two are confused, and dongsik tries to calm them down by saying that they'll all get to sleep together. They're all confused, too, because they've been in the same room for so long. They realize that it's time for them to leave, so they get up to go. They find that the other dogs are still asleep, and the other guys are still talking about the dream that they had the night before. They all get up and leave, but not before they run into Yonkyung's older sister, who introduces herself as "noona" , or older brother. She's the one who stayed out all night without saying a word, and she's here to