Bullbuster
A young engineer named Okino Tetsurou who has developed the new robot Bullbuster is transferred to Hato Industries, a company that exterminates harmful animals. There, the company and its president Tajima Kouji are up against a mysterious lifeform named "Kyoujuu." As a small business that is always finding itself short on money, Hato must always account for every expense such as fuel and pilot lab...