Hiroto is a boy attending a high school in a seaside city. He has a lot of experience in Gunpla Battle Nexus Online and is a great Gunpla builder and fighter. Recently, he's become a mercenary and searching for someone that went missing in GBN a long time ago. Hiroto is disinterested in joining any force until the BUILD DiVERS is formed by accident. (Source: Gundam Fandom)