In the operating room, Dr. Jin-Hyeok Lee is flawless—unyielding, brilliant, and untouchable. But outside, he’s a ghost to his family and loved ones. He misses everything, even his mother’s final moments. By the time he understands what he’s lost, it’s too late… until it isn’t. He wakes up 27 years in the past. Now armed with a lifetime of memories, Jin-Hyeok vows to live differently. But peace won’t come easy. Old rivals, new battles, and countless lives await. Scrubs on. Lights up. Scalpel ready. And this time, Primum non nocere. (Source: WEBTOONS)

Despite his ordinary skills, Sir Shake, captain of the guard, dedicates his life to defeating the demons and bringing about an era of peace with the immortal swordmasters. However, when Shake finally succeeds and also becomes a swordmaster, he dies, only to reincarnate 20 years later as Asher. He's shocked to find that his comrades have vanished and demons are rumored to have returned. In the midst of all this chaos, can Asher find his former allies and vanquish the enemy for good? (Source: Tapas)