The Yin family has lived in Qingling for generations and is also the guardian of the city. Yin Lin, who had just graduated, was joining the company as an intern like her classmates and friends. But the mission and ability she was born with from the Yin tribe allowed her to become a demon slayer in addition to studying, working and living.
Just when she was preparing to live a peaceful life like this, her brother Yin Lang, who was working in the south, quit his job and returned to Qingling. His return home brought about earth-shaking changes to Yin Lin's seemingly ordinary life.
Purpose: "What would you do if one day you find that the beliefs you have always held are no longer correct?"