Miss Marshall was fighting against the evil secret society Egor as the only red member of the squadron team. - One day, a series of kidnappings occur. - Miss Marshall encounters an incident while on patrol and enters the enemys hideout, but it was a trap to eliminate Miss Marshall, the only female! - Mass-produced monsters called heroine killers appear one after another, even after defeating them, and attack Miss Marshall mercilessly. - Miss Marshall, who has run out of energy, is crumbling due to the concentrated attacks of the monsters... - [BAD END]