Since the day his talents has been taken to notice by Deraga Hamikoja, the emperor of the Reganara, Yuhenga Ityaren's life as a normal teenage figurine-crafter ended. He instead was assigned to be the emperor's royal assassin, forced to kill anyone who interferes with the emperor's desires, with his father's and sister's life at risk if he refuses to do so. With no other choice, Yuhenga had to slaughter as told, while also making sure his father and sister could continue living a normal life by being indifferent about his situation... However, he became reluctant after he first met someone for the very first time... He began to want to escape this fate...