Marriage Comes First, Love Comes Later, the Heroine Is Cold and Cold

It's true that marriage comes first and love comes later. The male protagonist is the CEO. They each have a dog and live together after marriage. There is a plot in which the male protagonist brings his friends home but the female protagonist is not at home. The aunt said that the female protagonist went to walk the dog, so the two went to the park to look for the female protagonist. They saw that the male protagonist's dog stayed in the park and refused to walk.