Penguin Musume Heart Episode 21 English Subbed Episode Title:Sakura and Kujira! Together we are Magi Pure.Episode Description:Penguin attempts to fight Black Rose using an 'Etorofu cosplay' (a headband with eyebrows drawn on it), but fails. Meanwhile Kujira climbs the thorny tower, declining just going up via helicopter. Just as Penguin is being bombarded by Black Rose's whip, Kujira comes to the rescue. Combining their strengths, they place a direct punch on Black Rose, only to find her behind them in a dark aura. The title is a parody of Futari wa Pretty Cure.