Ginnosuke Mutō is a primary pilot at Namidome Industries, tasked with exterminating giant beasts threatening Ryugan Island. He operates the company's older Bullrover mech, conducting field missions alongside colleagues Tetsurō Okino and Arumi Nikaidō. During critical operations, he assists in repairing damaged equipment and supports tactical efforts against the beasts. Personality-wise, Mutō exhibits an old-fashioned, traditional approach, expressing skepticism toward newer technologies like the Bullbuster mech. His wariness is rooted in practical experience and a preference for proven methods over unproven innovations, leading to a demeanor of cautious pragmatism during missions. He demonstrates responsibility for team cohesion, notably persuading Okino to stay after a significant error involving leaked beast footage, acting as a stabilizing influence. Beyond piloting, he participates in logistical tasks like transporting giant beast corpses for analysis. His interactions with Namidome management and staff are driven by operational needs. He complies with directives from executives such as President Tajima during company-wide initiatives like rebranding efforts prompted by financial constraints. He also works alongside accountant Kintarō Kataoka, adhering to cost-saving measures during deployments. Mutō has grey hair.