Why Did the Princess Become so Manly?

Three times a day: I am a man! I'm a man! I'm a man! The hateful male protagonist buried his head in shyness: Ah Jin, do you know? I really like you. Su Jin rolled his eyes:! ! ! I don't know, my figure is very graceful~ She wandered into the novel in a daze, and was she still a vicious female supporting character with a curvy front and a curvy figure? But I am a man! Where is the law of heaven!