The Cannon Fodder Princess Wants To Last

On the way to escape the marriage, the heroine fell into the lake due to a miscalculation of a math problem, and passed through to the former princess Mu Yunkai who was being hunted down.

As long as you earn good connections with the men, you can draw prizes and redeem various superpowers. Once the percentage of your connection is full, you can return to the original world and live again!

I thought this as a journey full of happiness with beautiful men, but why do all of them want... to kill her?