Idea 1

Haru is about to get married, but the thing is, he already knows what's going to happen. He transmigrated into a horrible person. What did he do? You ask. Well, he drugged his soon-to-be husband and got pregnant, so he forced them to get married. Li Jun hated Haru, so when the original Haru did that to him, he swore that he would never give Haru a chance.

"I- I love you," Haru said, crying
" Well, I don't love you," Li Jun grunted as he thrust into him one last time