DOCTOR, LIVE AGAIN

A medical mission turns fatal as Dr. Jin’s life slips away. Miraculously, he wakes on a battlefield. Instinct takes over. He tends to patients before realizing that this is the martial arts world of The Reigning Heavenly Demon! He’s reincarnated as a child with mastery of modern medicine and soon his skills draw notice. From the renowned White-scaled Doctor to the infamous Gongson Family, everyone sees his potential. But how much is Dr. Jin willing to sacrifice before risking death again? (Source: Tapas) — Description from AniList community (anilist.co).