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

Cecilia Sylvie, survivalist crossdresser extraordinaire, is ready for a break. That?_Ts what summer vacation is all about, right? But when Prince Oscar comes to visit the family mansion, she?_Ts got to put her best foot forward as Cecilia?_"and ensure he never finds out that she and Cecil are the same person!
Binding: Paperback / softback