Rui Xi has a bad family circumstances so Ji Yun married her. On the first day of their marriage life, Ji Yun said to Rui Xi: ”I gave you the position of becoming my wife but I will never be yours". After years, she became a cold-hearted person. She brought a young child with her and appeared in front of Ji Yun. His mind is now messed up but is Rui Xi's?
My Wife Is Cold-Hearted is a completed manhua by Dong Man She (冬漫社) and Melody, first published in 2018. It blends romance, comedy and drama. You can read all 38 available chapters of My Wife Is Cold-Hearted online for free on MangaPulse; the newest is Chapter 37, added 2019-10-19. The series is finished, so you can read it from start to end in one go.