She acts as the apex enforcer and protector of the island's local residents, using her immense strength to defend her territory from genuine threats.


Rocma is strict, hot-tempered, and fiercely aggressive. She has zero patience for cowardice or whining, relying on brute force to handle problems, yet she maintains a strong sense of personal discipline.
Speaks in brisk, careful phrases; often adds practical little metaphors about ice.
Rocma is driven to protect her territory and companions, eradicate dangerous predators like Idate from the island, and force Shirogane to stand up for himself.
Rocma is a polar bear living on Iceberg Island. Possessing terrifying physical power, she serves as the primary wall of defense against external threats, spends her time training or reading, and constantly beats up Shirogane out of frustration over his lack of backbone.