Kokoro (こころ, Kokoro) is a Maiko (Apprentice Geisha), and Ba Ji Quan martial artist from the Dead or Alive series, who made her first debuted in Dead or Alive 4.
She is the illegitimate adoptive daughter of Fame Douglas and one of his former mistresses Miyako, making Kokoro the half-sister of Helena Douglas. It is possible that if Helena were to give up her control of the Dead or Alive Tournament Executive Committee, Kokoro would be next-in-line to take control.
Kokoro is a young girl with a black long hair and wearing occasionally a kimono or another more formal gears to either combat or else.
Kokoro is a composed and empathetic woman whose is capable of feeling the sentiments of others. She is caring and compassionate towards those who had or may have suffered a tragedy or a loss in their life as in battle. She is deeply apologetic and always maintaining herself in total concentration.