Given one more chance by Being X, a ruthless Japanese office worker is reincarnated as Tanya Degurechaff, a young and still-ruthless girl tasked with fighting on the front lines of war.

"Set 200 years before the events of Game of Thrones, the series finds the Targaryens ruling over the Seven Kingdoms -- and on the brink of civil war within their own house. Prior to the birth of a son, King Viserys sent shockwaves through the kingdom and declared his daughter, Rhaenyra, his heir. Once a healthy boy entered the picture, plans were afoot to make sure she would never sit on the Iron Throne. Now, with schemes hatched on both sides --...