Once you make a decision, does the universe conspire to make it happen? Is destiny a matter of chance, a matter of choice, or the complex outcome of thousands of warring strands of fate? All twins Kanba and Shouma know is that when their terminally ill sister Himari collapses at the aquarium, her death is somehow temporarily reversed by the penguin hat that she had asked for. It’s a provisional resurrection, however, and it comes at a price: to keep Himari alive they need to find the mysterious Penguin Drum.