The evil organization Black Hole, which suddenly appeared, began to carry out a plan to attack people and abduct them as experimental animals. Brother Flare of Brother Warrior Justice Bros fighting against the science combatants of the black hole. A mysterious female scientist appears there. "I am a genius scientist who has the best brains in a black hole - Lovelia." Brother Shine, an older brother, rushed in and attacked Lovelia when he was about to get the final blow. Repulse Lovelia with the cooperation of the two brothers. However, right after that, Shine is swallowed by the warp hole and is kidnapped. Shine was brought to an unknown ruin by a warp hole. Lovelia, who should have been defeated, appears there. The Lovelia I defeated earlier was just a copy. Shine confronts Lovelia again, but is restrained and electrocuted. "You'll be my guinea pig," said Lovelia, who injected her with an experimental drug and groped her crotch. "Well, why don't we give a reward to the nasty guinea pig?" Shine desperately resists the stimulation of Lovelia's handjob and blowjob, but she surrenders to Lovelia's accusations and begs him to become Lovelia's guinea pig, and falls. Resulting in. “…The experiment was a success. A further experiment by an evil female scientist was about to begin...[Female Scientist Happy End]