This will be a brand new release of CONTRA, a well-known and long-running IP series since the 1980s.
There are 5 main protagonists in this game, who are all members of the mercenary called Rogue Corps.
They were all once a hero during the humanity-alien war, but were falsely accused of president assassination when the war ended.
After escaping from the military prison, they were living at underground society as a mercenary, while also fighting to find evidence of their innocence and regain honor.