[There is no taboo that should not be violated in the face of justice. ] In the near future, humanity is in the grip of fear due to an attacking monster. In order to protect world peace, Unity Squadron Cross Rangers will continue to carry out justice today! ...It was supposed to be. Rio Akama, also known as Crossred, is a man who burns with justice. Due to his overflowing sense of justice, he commits a taboo night with Cross Pink. And so begins the days of muddy swamp x horror x immorality x collapse...! “Immoral” suspense of justice!