Daya has blue skin, deep blue eyes, long white hair, and two straight horns protruding upwards from her forehead. She is an extroverted tomboy, she is energetic, friendly, and self-confident. She is an oni. She is a mercenary and a bounty hunter. She is self-trained in combat with multiple weapons, but she favors the kanabō. She was born in a low class family, so her education is quite lacking.