Maybe this admiral is like the soldiers in the 442nd Infantry Regiment, a unit formed almost entirely of Americans of Japanese descent during World War 2, in that his loyalty lies with Japan despite looking exactly like the enemies Japan is fighting.
thank you, Houshou.Plus it's quite reasonable not to trust a traitor.From mankind's point of view I am the enemy after all. Everyone at the base knows that you're willing to work yourself to the bone for everyone's sake...!Yes,... Don't say that.