Responses
Crown Princess Audition?
I think it was “the lady I served became a master”
Claude (ML from the lady I served became a young master)
Is not a prince
I think Claude is a duke
https://www.mangago.zone/read-manga/your_majesty_please_don_t_kill_me_again/
are you talking about this?
yes
but it's similar to the prince who dresses up as a girl in order to survive then reveals himself later on