Ruby's classmate and supporter, Hinata also comes from the Human World to study at the Sunshine Academy. She is the only person who can understand Ruby well, despite being confused on some situations. She is very shy, timid and is not good at sports. But she is supportive to her classmates, especially to Ruby. She lives with Peridot in the same dormitory and even due to her being timid, she became active in sports thanks to Peridot. She is Ruby's former roommate.