Sogen Saitake

Sogen Saitake (斉武宗玄, さいたけ　そうげん, Saitake Sōgen) is the protector of the Osaka Area. He is an ambitious man who dreams of one day ruling the world.

Assassination arc
Saitake arranged several meetings with Seitenshi, in which they would discuss various topics. At their first meeting, Saitake revealed his disappointment at Rentaro destroying the Ladder of Heaven to defeat the Stage V Gastrea Scorpion.He went on further to reveal that it was to be transferred to the surface of the moon to destroy Gastrea, although as Rentaro pointed out it wasn't the only thing he would target, as other countries were also on Saitake's list. Saitake accepted this, stating that after the Gastrea were exterminated, it was the strongest country that would come out as the new world leader, and he wished it to be Japan. He self imposes his own will as Japan's will, claiming that Japan wished it as so.

Later, when Seitenshi left the last meeting with him to stop Yasuwaki from killing Tina, he angrily left to go back to Osaka Area.