Hiroya Matsumoto, hoping to become a great employee like his late father, has just been hired at Right Corporaion, a top trading company. Little does he know that he's been recruited for a very mysterious department within the company - the Special Duty Combat Unit: SHINESMAN... which must face a terrible alien menace unbeknownst to Earth.Like most corporate employees, Hiroya still has meetings to attend and deadlines to meet, but when the SHINESMAN team wage war against the alien race from the Planet Voice, Hiroya and his co-workers don their office-colored combat unit suits: sepia, gray, moss green red and salmon pink.