You're read The Tyrant’s Tranquilizer manga online at MangaDNA.com. The Tyrant’s Tranquilizer Manhwa also known as: 폭군의 신경안정제. This is the Ongoing Manhwa was released on . The story was written by PO Gi-Beun and illustrations by Dyubu. The Tyrant’s Tranquilizer is about Drama, Fantasy, Isekai, Magic, Romance.