"Forgive me, live well." After a deep sigh, "Bang! Bang! Bang!" After several gunshots, a tall and handsome man in a blue senior officer uniform opened his sea-blue eyes in disbelief. His eyes were locked on the person who just shot him in the back. The most trusted subordinate, the most trusted friend. After a period of darkness, Krel was reborn. He returned to his childhood days. He met a boy who looked similar to his best friend. A new journey of rebirth. Will the future be a smooth road or an abyss? What is the truth?