Mawaru Penguin Drum (anime show)

Description: Three siblings, twins Kanba and Shouma, and the in-and-out-of-the-hospital Himari who's in poor health, live together at the Takakura home. One day, when the siblings are out on a trip to the aquarium, Himari collapses. The doctors state that nothing can be done for her anymore, but then, a miracle occurs...