so she was prepared for the worst coming, even told the prince that if he find someone, she would accept end engagement.
But it kinda backfired, cuz it was butterfly effects, with her memory in, she did differently, work hard, kindness, cooked cookies for the prince at a tea party, etc, so prince refused to look at someone else cuz he saw how wonderful she is.
Additionally, this MC soldier was never in an otome game, not even one bit. Which is why Carna was surprised