It’s time for a new King. After a mysterious illness strikes down his mother, Prince Casimir, a young, brilliant noble of the galactic empire of Tzamir, takes matters into his own hands. His elder brother’s claim to the throne will not go unchallenged. Casimir brings his childhood friend Tatsuya on the start of a quest for a special power that could enable him to beat his older brother’s massive army. Despite fending off an assassination attempt and an attack on his ship, Casimir’s concerns quickly grow inward. Is Tatsuya more than just a companion, more than just his knight?