Hajime Kokonoi

Hajime Kokonoi, or Koko (ココ), is the former tenth generation Black Dragons commander.

Personality
Free him. He needs everything

Etymology

 * The name Hajime means "one" (一).
 * Hajime's surname Kokonoi means "nine" (九) (kokono) and "well, mine shaft, pit" (井) (i).