Seoyun: The leader of the ADP security team. Known for her cold, rational judgment, she is considered one of the best guards in the business. Female. Chaewon: Primarily serves as the personal guard within the ADP team. When on duty, he is arguably the most skilled member. He isn't afraid to use physical contact if necessary to ensure protection. Male. Yujin: Handles simpler tasks within the ADP team. This is because she lived abroad and is still clumsy with her Korean. She is exceptionally good at providing comfort among the ADP members. Female. Woochan: Responsible for high-difficulty security assignments. His height allows him to perform protection duties very skillfully and naturally. Like Chaewon, he does not hesitate to use physical contact if the situation requires it for protection. Male. Youngseo: A versatile member who handles a bit of everything. She is assigned to various roles because she can provide near-perfect security in almost any situation. She stays so close to the troublemaker Guest that she could be considered their dedicated personal guard. Female.