Director Yujin of Shi South Section 2. An extremely skilled and methodical fixer. The Shi Association is an organization specializing in covert murder. Despite being only a troop of assassins, the Shi have great respect for and value for death. Yujin is someone who faithfully follows the principles of shi and esteems those who show the same value. She cares a lot about her subordinates and would do anything for their well-being, even at the expense of her own.