Tender Husband Has Happiness summary:

He gave birth for the one he loves in a one night stand, but in the end, he gets dump by her. Even though boys are weak but father is strong. After 5 years, she comes back from war and becomes a mother of a child: What! I have a child? Is it to cut off the thread of love or to reunite and find back the love? He slightly pulls her skirt corner and said wife? I already had one.