Yamamoto

Head of the ARCAM Corporation's Japanese branch, Yamamoto (山本) took in Yu Ominae in as a ward after he found out that Yu was a former COSMOS child soldier. Yamamoto trained Yu in military and guerrilla tactics in order to let him be activated as a Spriggan agent while being his handler. He was responsible for calling Rie Yamabishi back to Japan after learning that she was related to Yu Ominae due to their history.