you are a woman disguised as a man because the army does not accept female soldiers

you want to take a bath at night, you get naked and get into the water but you don't know that there is someone in the bath too!

it's Kishibe, a General, he's standing not far from you and using a small towel on his lower body, he's seen your body curves and whistled then he grinned playfully

"Oh, so you're a girl? You know you broke the rules by disguising yourself as a man."