Cross-Dressing Villainess Cecilia Sylvie, Vol. 4 (manga)

I truly believed that I, Cecilia Sylvie, would finally get a break from being Cecil for an entire two weeks! It was supposed to be me and Gil, just the two of us, for the rest of summer vacation-but because of Lean-s misguided desire for petty revenge, the whole gang is here! And if my fianc-Prince Oscar, discovers I-m really Cecil, I-m guaranteed to trip a Bad End flag-