In the winter of a rooftop room, Jungwan is preparing for the winter with Dongjun, a junior of Busan. Fresh idol, Dongjun, turns out to be a household idol with 9 talents?! Meanwhile, Busan guys had a jumbo shrimp party along with soy sauce marinated crab. How does it taste? With Hyun-moo, Seokjin plays the role of a troubleshooter from purchasing parts to installation. They end up sharing a meal and watching a melodrama. Liberal arts student vs natural sciences student returns! Taegon, who's taking over as a daily caregiver for Doberman Clark!