The two Princes used to be best friends. That was until Prince Tadashi focused all of his attention on becoming king. Hiro, the forgotten Prince, secretly falls into a deep depression. Yet, on the night of Tadashi's coronation, all secrets are revealed. In order for Tadashi to heal the wounds he inflicted on his little brother, he'll have to find him first. Similar plot to Frozen.

Big Hero 6 characters in Anastasia. During revolution caused by Robert Callaghan Japan's Crown Prince Tadashi lost his younger brother Hiro but still, after ten years he's determined to find him. Is the young prince still alive or is he gone forever?