My Contracted Wife is Cold to Me

Her marriage life was enviable, at least it seemed to be. But deep in her heart, she knew it clearly that this man would never love her. The marriage was not built on the foundation of love, but a contract. Soon the contract will be over, yet the man wants more. He's going to get serious about this relationship...

(Source: MangaToon)

Note: Includes a prologue and 12 extras chapters.