of her friends to her hostel room, and Yujin came back. The next scene hops into Yujin doing her own work as Ahn-chae came in... Yujin took ill, and her cousin Jeong-an visited her. One scene showed Jeong-an dabbing Yujin's head in the room. Ahn-chae was serving pizza to a customer, but was being scolded for not giving sufficient mushrooms. She stated that there will be a surcharge, which made the customer very angry. While serving pizza to the customer, Ahn-chae dropped the pizza and landed on the customer's dress. Ahn-chae suggested on compensating with a new pizza. Ahn-chae returned home, feeling depressed. Yujin woke up, and saw Ahn-chae arranging her things. Yujin switched on the light and talked on until they went to bed... Episode 21 Young-min and his classmates faced a new old lecturer, who instructed his students to write a brief biography. Many of his classmates took no interest in him, and some even laughed. Meanwhile, Young-min burst into the classroom. After lecture, Young-min approached the lecturer to retrieve his lost lessons, but found the lecturer sleeping. When Young-min was about to leave, he was called back by the lecturer. At this point, the lecturer took interest on Young-min, after he went to consult the professor. The professor seized the opportunity to do some work by packing books. The professor, though strict and harsh in attitude, treated him with interest as he offered some chewing gum. Young-min rejected (politely) and the professor went on to play some classical music. Young-min looked on and smiled before he proceed onto his work. Before he left, Young-min accidentally dropped the Professor's saxophone, and was being reprimanded. Young-min left home and realised that he had left his wallet at the professor's office. Young-min decided that he would return to the office to retrieve his wallet. Young-min was surprised to find the professor's office's door unlocked and found the professor playing his saxophone on his own in the midst of the night. Young-min stood at the door, and walked forward. He waited until the professor finished his tune, before asking for permission to search for his wallet. The professor, seeing the situation, showed him the wallet. Young-min heaved a sigh of relief and thanked the professor. The professor then suggested Young-min to dine with him in the campus' canteen. The professor had a friendly conversation at first; commenting that the canteen's food