Kotori is the main character in QP. His pseudonym is QP, diminutive for Kyuupi (or Kyûpi), his old friends are the ones who call him that (do to the little blonde spot on his hair). QP had a hard childhood. His father died do to an illness just has soon has he was born and was left to be raised by his mother. QP works at a service station, where he escapes from his problems. He will make some new friends and will be visited by some old enemies.