Marcarullo Doroba

A boy whose father is the deputy commander of the Morteln family's private army. He is nicknamed "Marc" and has a slightly timid personality. He is Pas's childhood friend, causing trouble with him and often being scolded by his father. He often spends time with another childhood friend, Lumi, who he has gotten quite close with. Recently, he has been a little concerned about her as a member of the opposite sex.

(Source: Official site, translated, edited)