Crazy childhood sweetheart always thinks of me

The crazy, paranoid, ruthless and ungrateful male protagonist x the unlearned and unmotivated funny female protagonist Su Ran tried her best to enter the East Palace and become a favorite concubine in her previous life, but she didn't want to suffer all kinds of grievances and was calculated by others until she died young. In this life, she just wants to give up and survive. The most important thing is to survive. The childhood sweetheart who disliked each other in the previous life misses me every minute. Tell me, he actually likes me? Moreover, he paid a painful price to let me be reborn? What else can I do? Then I can only coax him, but who can tell me why this crazy guy is so hard to coax? ...