I Am the Villain’s Second Personality

Gu Xibei was discharged from the organization and finally got the job he had always dreamed of: teaching and nurturing students.++++ After an unexpected incident involving a vendetta, he was bound to a System and became the Host of a second personality. His mission is to protect the protagonist. He must not only play the primary personality, but also the second personality, and strike back.

Theme: Making a comeback