Since she has decided that she can't marry Chai Xing, she will disturb her innocent body and give it to him as a gift. She doesn't want to be rational again, even if she is crazy about love once. Then, she will definitely leave, and no longer owe Chai any affection. Chai Xing can't find out her news. As time goes on, he will naturally forget about it and marry siruo as he wishes.
for Chai Xing, she couldn't help but feel moved from the initial feeling; for siruo, reason, she was not allowed to do things that hurt siruo. God knows how contradictory she is. God knows how long...