The robotic mascot of the Cosmo Puella in the UMA STARS (Umamusume) fictional anime show for Umamusume's April Fools' 2024.
Resembles an oversized brain with rudimentary eyes in a robot suit. It being voiced by Sasaki Hitomi (Admire Vega (Umamusume)'s voice actress) implies that it might be a manifestation of Admire Vega'S Twin Sister (Umamusume).