Yuuki Kikaku (Author)

Since ancient times a group of grotesque monsters known as Onigumi have dwelled in the shadows of Japan. To defeat these monsters that gather negative emotions, humanity relies on Sacred Treasure using heroines known as the Blade Wielding Battle Princesses. Sakura-hime is one of this Battle Princesses who will be defeated and forced into becoming…

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 futanari training. In addition, her mother Celestia is deprived of her freedom and is also forced to undergo the same shameful training…

Serena as the Thunder princess knight struggles by fighting against monsters to defend the Alexia Kingdom. As a compensation for her to be able to wield the demon sword, she gets cursed with a male genital in her crotch. One day, due to Marietta who appeared aiming for the demon sword, Serena got forced into…

Battling the demons as the Thunder Princess Knight, Serena struggles to protect the Kingdom of Alexia. In exchange for the power of wielding a cursed magical sword a man’s genitals sprouts from her body. Then one day, aiming to grasp the magical sword, Sister Marietta appears. Along with that, the leader of the Kingdom’s knights,…

The story of a heroine who battles evil as a heroine of justice facing off against an enemy with the power of hypnosis. With sensitivity and common sense modification being performed on her, her sense of morality will begin to erode under an unending tide of pleasure.