Overview:As the new semester kicks off, Mr. Yoo Bong-du introduces the class to their diverse group of new classmates, hailing from various corners of the world. To add to the excitement, a new trainee teacher, Ms. Lee Bo-ram, pays the class a visit. The students are all unique in their personalities, and with Bong-du and Bo-ram's guidance, the classroom transforms into a lively dance party. The festivities begin in high spirits.