Plot: Even though he is not thrilled with having to participate in the subterfuge necessary for Yuu to manage her double life as Creamy Mami, Nega finds it no trouble at all to conduct himself like a carefree housecat -- a lifestyle that he is starting to pay for when he contracts a cold that causes his body to expand with every sneeze. Nega's speculation with Posi about why Earthlings contract illnesses that are unheard of on the Feather Star prompts the offended Yuu to offload Nega out of her cowl as she decides him a strict exercise regimen