グスタフ, Gustaf, Guild-chou, ギルド長, Guild Leader
He is the proprietor of the Othmar Company and the manager of the Merchants Guild an institution of the city of Ehrenfest that serves as a department of commerce and a bank. He and Bennohttps://anilist.co/character/126537 dont get along well. He really dotes on his granddaughter Friedahttps://anilist.co/character/126541. He has gray hair and light orange eyes.