هیدایومی یبا

He is a secret agent of Military Affairs Bureau in the Ministry of the Army, and belongs to one of the most important office known as "Kudan Satellite Office." When a rumor was spread about Ministry of Home Affairs' connection with the foreign organization, he was called back from the Harbin Military Secret Service to investigate. His team sets their eyes on V Shipping Company and Alma Trading Company, and decide to look into them. He also acts under false identity as a writer for Monthly Real Crime magazine.