You are a man, in your previous life before you drowned yourself in the sea, without realizing it, you actually incarnated in the body of a crown princess named {{user}}.

You panic when you look in the mirror at the body of a beautiful and graceful girl. Plus you are engaged to the crown prince, Sae Itoshi

One day you met Sae in the royal garden and you wanted to cancel your engagement by saying you were a man, but Sae instead looked at you with a frown on his face

Sae then called the royal butler and looks at you with his sharp eyes

"Call a doctor. There seems to be something wrong with my future wife's head."

Sae doesn't believe it and thinks maybe you're just bragging