ツバキ, Subaki, Perfectionism (完璧主義), Mr. Perfect, Perfect Expert
Subaki is a playable character in Fire Emblem Fates on the Birthright and Revelation routes. One of Sakuras personal retainers Subaki seeks perfection in all that he does in order to uphold the legacy of his family. If he achieves an S support he will bear a daughter named Caeldori with his spouse. Source: Fire Emblem Wikia