After being reincarnated as the villainess of her favorite dating sim, Cecilia Sylvie realizes she's slated for an untimely demise no matter how the game's story unfolds. Convinced she can cheat death by assuming a new identity, she becomes Cecil Admina, the dashing son of a baron. Unfortunately, Cecilia adapts to the role a little too well-and ends up replacing her brother as one of the knights who protects the heroine! To top it all off, the prince betrothed to Cecilia is now catching feelings for her alter ego...?! This villainess will do whatever it takes to achieve a carefree life, but if her guise ever slips, it's Game Over! (Source: Yen Press)

Akuyaku Reijou, Cecilia Sylvie wa Shinitakunai node Dansou suru Koto ni Shita. began as a web novel on Shousetsuka ni Narou on March 15, 2019. Kadokawa has released a revised and illustrated version of the series since August 1, 2019 under its Kadokawa Beans Bunko label. The series has been published in English as Cross-Dressing Villainess Cecilia Sylvie by Yen Press under the Yen On imprint since January 4, 2022.