Boey is the son of a fisherman and an eager apprentice Mage who is devoted to Celica's protection. He is like a younger brother to his childhood friend Mae, who constantly teases him. He joins Mae and Celica out of concern for the two of them.
In Chapter 2, Boey tries to act tough in front of Celica before a boat skirmish by making a quip at an unsuspecting old man, however, Celica informs him of a cantor on the other ship, and as a result, Boey starts panicking. While talking to Celica after the battle, He makes a recovery and puts up his strong front again.
When the Mila Temple is seized In Chapter 3, Celica will promote and don the Zofian Circlet. After Mae remarks on how beautiful Celica looks, Boey calls her an "idiot" for not using the correct name, Anthiese, as Celica has just assumed her heritage and is now displaying it publicly. Celica assuages Boey by telling him she prefers to be addressed by Celica.
After the war, he stays with Mae, finding happiness in their bickering. In the remake, they are also eventually wed and bore children.