To sum up;
男の子 (otoko no ko) = A young boy.
男の娘 (otoko no ko) = A boy who looks like a girl and/or wears female dress.
漢の娘 (otoko no ko) = A male warrior who wears female dress. *New*
Hello, I played the game "大正浪漫ミステリー 石榴の時計 新改盤" that you shared, and it was so much fun!
Could you please upload other games from this series? Thank you!