Sweet and Heartbreaking: Be Careful When You Fall in Love

[Slow-Burn Romance + Wealthy Family + No Push and Pull + Twisted Second Female Lead]

This isn't a wish-fulfillment story where they jump straight into bed. They go from liking each other to confirming their relationship, then get all sweet and lovey-dovey!! The second female lead is a twisted, warped person!! If you like them jumping straight into bed, just move along!!!!

A stubborn senior-year high school girl runs away from home to escape an arranged marriage. By accident, she ends up sleeping in the male lead's bed. He demands compensation, and she ends up paying with herself, becoming the apple of his eye.

Who could have guessed the male lead was the son of the richest man, and had a dark, yandere, twisted childhood friend? Though the road is difficult, the male and female leads eventually get their happy ending.

But a twisted person is a twisted person. The second female lead eventually goes completely dark.