Ikasama is a gambler skilled in deception and fraud, his light-footedness earning him the moniker "swift runner." He joins Gamba's group at the harbor, recruited to defend Yumemishima Island against the Noroi Clan. Initially defined as a self-serving opportunist, his role evolves as he integrates into the collective effort. During the conflict, his agility and talent for subterfuge prove vital for reconnaissance and diversionary tactics against Noroi's forces, allowing him to gather intelligence and execute stealth-based plans. This shift from individualistic con artist to committed team member highlights his development as he applies his skills toward the group's survival and success. His battle contributions demonstrate adaptability, using his speed to outmaneuver threats and support the mice's defensive strategies. Ikasama retains his core traits of cunning and swiftness throughout, his journey emphasizing a transition from solitary pursuits to collaborative heroism. His actions consistently leverage his unique abilities to protect Yumemishima and its inhabitants.