When she's reincarnated as the villainess in a reverse harem datingsim with only Bad
Ends in sight, Cecilia Sylvie makes a decision-becomea boy, support Lean's love life
and all's well that endswell...right? But her fiancée Oscar still has a strangefascination
with "Cecilia," Gil gave her his Sacred Artifact, andthe heroine seems intent on
pursuing the Cecil route...
"I, Gilbert Sylive, was adopted one day by the Sylvie family. It was then that I met her, my somewhat dense older sister who came up with the ridiculous idea of cross-dressing as a man in am attempt to avert her probable death in the near future. And since I can't risk any harm befalling her, I've been doing everything in my power to help her with this bizarre scheme including running interference between her and Prince Oscar for years and years. But they've been getting awfully close lately. What if he steals her away from me?!"--Back cover.