My Best Friend and I Married Brothers Who Were Our Mortal Enemies

The Female Lead and Her Best Friend Marry the Male Lead and His Younger Brother

Stories About Two Sisters Marrying Two Brothers in a Business Alliance, with Love After Marriage

A business marriage binds two couples together! The mature older sister takes charge of the family and supports them all, while her reserved older brother secretly falls for someone. The pampered younger sister is clingy, and her puppy-like younger brother dotes on her endlessly. From a contract to true love, this is the ultimate rich-family romance!

The Female Lead and Her Best Friend Marry Two Wealthy Brothers and Get Pregnant Together

Reborn, Female-Female Leads, a Family of Loyal Martyrs, Showbiz

The female lead is the descendant of a family of loyal martyrs. She died because she fell for a scumbag, then was reborn. After a variety show revealed her family's history, she also discovered the person who had silently loved and protected her. They eventually got together.