Summary
Himari is the spirited and youthful sister of the brothers, known for her perpetual optimism. Deeply devoted to her siblings, she maintains a bright smile to alleviate their concerns regarding her health. Following her release from the hospital, she unfortunately loses consciousness and passes away during a family outing to an aquarium. Her life is restored through a penguin hat purchased from the aquarium’s gift shop. Upon donning this accessory, her demeanor and appearance transform, revealing her true identity as the Princess of the Crystal.
