[Light Novel] Calon's Princess Series (4 books in total)

the publisher:
Author: Sadako Sasaki
Size: 105mm x 148mm
Number of books: 4
Language: Japanese
Category: Light novel
Latest release date: 2023-12-13

Synopsis:
Midoran entered the rear shrine instead of a sick twin sister.
On the night of the entry, Midoran, who was recognized by the beautiful flower sealing emperor, Yoshimune, was recognized
I am asked to explore the identity of a ghost who appears in the shrine and threatens people because it seems that I can manage it even if I get being attacked!?

"Gender reversal!?" The opening of "Gender Reversal!?"