The Marriage of an Esteemed Supreme Healer, a Noble Ruler - Chapter 2588 - Side Story 92: Wish Fulfilled

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

[Unique Characteristic: You acquire ‘Protective Instinct’ (保護本能).]

[By the Author that brought you “Return of the Frozen Player”!]The Return of the Fallen Tower Master: The Revival Era of the Magic Tower

In a world fractured by conflict and haunted by shadows of the past, Kokushibo—the first Upper Moon demon—meets his end, only to awaken in a new life. Reincarnated as Crimson, a child born into a different family, he carries the memories of a past he cannot escape. Burdened by centuries of guilt yet indifferent to the present, he resigns himself to duty—until an unexpected bond with his newfound family begins to thaw his hardened heart. As he struggles between the weight of his past and the weight of the new life, Crimson must decide whether he will remain shackled to his former sins or embrace the possibility of peace.