Don't Mess With The Vicious Empress

A special agent in the modern era who's code name 'Living Yama' was mysteriously transmigrated in the world of immortals. She was transmigrated in the body of the favored Flora Princess who got killed by the assassin sent by her half brother. In her rebirth she will encounter the Cold blooded Emperor of Celestial Kingdom. She will uncover the mystery behind her assasination and accidentally found out the truth behind her Mother's death.