Ken Ryuguji (龍 (りゅう) 宮 (ぐう) 寺 (じ) 堅 (けん) , Ryūguji Ken?), or Draken (ドラケン, Doraken?), is the tritagonist, a founding member and the former Vice-Leader (副総長, Fuku Sōchō?) of the Tokyo Manji Gang...