Hey, Girl, You Owe Me a Promise

That year, when they were thirteen years old, their sister Siying had just begun to fall in love and she could not forget him. That year, when they were sixteen, their fate was decided by choosing a concubine. That year, in order to help her sister and let her find true love, her sister Siqi decided to enter the palace to replace her sister. That year, the man his sister Siqi fell in love with was trapped on the battlefield. In order to help him out of trouble, she decided to go to borrow troops alone. That year, both sisters found true love. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.