The first prince of Clarines and Zen's older brother.
He has a somewhat cold and sarcastic personality, but is also very responsible and serious when it comes to handling the affairs of the kingdom.
For his 17th birthday, he asked for a castle to be built between the Sui and Rid kingdoms. He then tricked the lords of the respective castles in order to overthrow them and replace them with their retainers.
He enjoys teasing Zen and initially takes issue with Shirayuki's closeness with Zen, but later comes to trust her after watching her handle the disease outbreak in Lyrias.While in Lyrias, he pretends to be a guard using Mitsuhide's name.