Azusa fights demons every day as Sailor Lightning. - She had hidden electrical energy of terrifying power. - The demons were planning to use her vast energy to revive the Demon King. - One day, a demon took her childhood friend, whom she had feelings for, hostage and challenged her to a fight. - There was an ugly frog demon that I had never seen before. - When she learns that the ugly frog demon is actually her childhood friend, she loses her will to fight. - Water, which is her weak point, is poured all over her body and discharged. - Weakened, she falls into the hands of the enemy and is restrained by a special device. - Sailor Lightning is violently shaken, splashed with water, discharged and her energy taken away... - The fate of her and the world... - [BAD END]