Usoyomi to Gishoku no Oujo

The setting is a court romance set in the Ryugu Kingdom in the south. Oto, a girl whose family was destroyed by the King of Ryugu, invades the court to kill the princess, but fails. The opponent Oto tried to kill was self-proclaimed the princess' replacement, and he was a man. As Oto is depressed, Asu tries to escape from the castle. The stage of the work is the Ryugu Kingdom in the south. Oto , a girl whose village was burned by the King of the Dragon Palace, invaded the court to kill her princess in revenge. who has the mysterious power to see through her partner's lies, counters that "You're not a substitute" to Asu . assassin Oto.