Mishil is the Prism Show manager for the South Korean idol group PURETTY, known for her strict approach in training the girls under her care while also possessing a kind nature. She maintains a professional relationship with Kyoko Asechi, a fellow manager of Prism Stars, though unlike Kyoko, Mishil does not share a strong interest in monetary gain. Based in South Korea, she oversees PURETTY's activities and development as idols. She authorizes the group's official debut as a Prism Star unit during a Prism Show event, providing them with a new song to perform.