Based on the erotic doujin game by Golden complex.

Virgo Note, known as the Sword Demon, commands both respect and fear as the empire's strongest magic swordswoman. She was branded with a curse mark, the ‘Curse of the Pregnant Demon,’ by a certain succubus, transforming her body into one that requires vast quantities of semen. Taking the advice of her friend and the empire's greatest magician, Elysia Hart, Virgo makes a shocking choice. “Alright, Elysia. I'll become an AV actress too.” And so, the rugged swordswoman Virgo steps into the unknown world of the AV industry, baring her voluptuous female form. Bathed in the lecherous stares of men, Virgo becomes acutely aware of her own ‘femaleness’. How will she survive in this industry? To break the ‘Curse of the Pregnant Demon’, vast amounts of semen are needed!? The empire's strongest magic swordsman, the Sword Demon Virgo, undergoes an unexpected job change!! In the AV industry, she comes to realize she is a ‘female’... and then...♡

(Source: a1c, translated)