Willem

 (ヴィレム) is the guild master of the Adventurers Guild in Karenina Town,a formerly A-Ranked adventurer.

History
Willem promoted Mukoda to C-Rank in exchange of asking Fel completing various subjugating quests. After Mokuda decided to settle in Karenina Town, Willem got bolder and would come to Mokuda, asking for help. A certain cream from Mokuda helped Willem grow hair.