Marrying a Beautiful Older Sister First, Then Falling in Love

Due to her father’s debt, Ruan Nan was forced to sign a contracted marriage agreement with an older woman.

She believed her soon-to-be wife would be an old woman past her prime, but unexpectedly, she turned out to be a cold and glamorous beauty.

Ruan Nan wasn’t about to succumb to the charm, though!

She even made a solemn vow: The first person to fall in love is the dog.

But later, both she and Gu Qingyan broke that promise…