Sailor Frontier is a beautiful warrior who transforms with the power of Master Force, a legendary treasure passed down from the ancient civilization of Lemuria, to protect peace in the city! - One day, General Beyond, the leader of the demon army, carries out a terrifying plan! - The plan is to completely defeat Frontier and train him into a female servant! - First, we will send in a scorpion demon whose weapon is venom containing nanomachines, and attack the Frontier from within with the venom and nanomachines! - Frontier was able to get out of the predicament and escape, but the poison gradually attacked Frontier's body, causing his physical strength to decline and his sexual arousal to increase! - Although he fights again for justice, his poisoned body is no match for him, and Frontier falls into the enemy's hands and is forced to become a female servant by General Beyond! - [BAD END]