Hina is the younger sister of the Chocorat Sisters from the first generation of idols. She often admires her older sisters with pride and joy. Whenever Hina brings up her sisters, she goes on and on about it until someone indicate her doing so. Hina also like to make pastry, however she is very bad at it. Whenever Hina attempt to make them they are bound to explode(thankfully no one gets hurt),during the last episode where she tried to heat up Miu's miso soup, it exploded. It is possibly hinted that she's very bad with oven-ware