Harimaron VS Mafoxy! A Diet Battle!?

On their way to Shoyo City, our heroes camp out for the night. Citron makes dinner, and for dessert, Serena brings out a basket full of her homemade macarons. But the basket is empty, and Citron discovers that his Harimaron has eaten them all...again. Citron tries to get Harimaron to battle Satoshi's Keromatsu for some exercise. But Harimaron is completely stuffed and...