Cross-Dressing Villainess Cecilia Sylvie, Vol. 1 (manga)

Dearest Mama and Papa, Please forgive my disobedience. In order to evade my death flag, I, Cecilia Sylvie, have decided to become a boy! Cecilia has been reincarnated as the villainess of a dating sim who is fated to die no matter the route. If sh...