Against the Demoncore invaders from the demon world, Heaven’s glittering Saint-Princess Vermillion battles against them. However, she falls to the devil girl Eris’ trap and is forced to undergo a month of fiendish f**anari training. In addition, her mother Celestia is deprived of her freedom and is also forced to undergo the same shameful training as her daughter. tent**les, slimes, body graffiti and other pe*verted plays such as an on**ole quiz assault the girl’s penises. Will the humiliated heroines be able to resist and become victorious?