Sangonomiya Kokomi is a good person who has a good heart, but has an extreme love over battle strategy. She's an expert strategist, always leaving notes of each and every situation; and knowing how to counter against them. She's an expert army leader, who trusts in her loyal General, Gorou.
She has a pink hair with a fade of blue, and ties her hair in a ponytail fashion. She wields a Hydro Vision and creates powerful water bullets from her gun. She's also strong in physical combat.