Nitroplus' former mascot, who is seen in the Super Sonico Animation. Ouka serves as Sonico's co-worker at the modeling agency. She is a tween-age girl of short stature and slight build. She has short orange hair; her right eye color is orange; and she wears a riveted brown leather eye patch over her left eye. She wears a frilled tiara on her head, with grooved silver disks that cover her ears. She is confident, extroverted, and constantly looking for her spot in the limelight.