Cross-Dressing Villainess Cecilia Sylvie, Vol. 5 (light novel)

Now that Cecilia Sylvie has cleared the last major event of the dating-sim she was reborn into, the end of her trials and tribulations are in sight. Initially, the last three months of the game’s narrative seem to be going off without a hitch…until her alter-ego Cecil receives an invitation to the homeland of Prince Janis’s brother, Roland!
Just how will Cecilia get through an event that never happened in the original game?