My Ex-Husband, the Substitute, Wants to Remarry

An accident led Shan Xuan and Pei Junxin to become engaged, with her treating him as a stand-in for her cherished first love.

She spoke cruelly to Pei Junxin, making sure he understood his place. Yet he still greeted her with a smile, willingly letting her use him.

To save her beloved, Shan Xuan forced someone to operate on Pei Junxin. But through one moment of carelessness, she lost him forever.

He was only a stand-in, so why did losing him hurt so much?