Jiruo

Serving as a dedicated instructor and guardian for the Belchero Orphanage children in Orth, this stern Moon Whistle delver prioritizes student safety above all else. Though his serious demeanor can appear cold, he provides profound wisdom and essential support to Riko following her mother's return. Once an apprentice to the legendary Lyza, he remains committed to his solemn vow: protecting Riko's true identity and ensuring her well-being as the descendant of a White Whistle.