Such a comic is definitely not something positive or acceptable. It's likely filled with unethical and potentially harmful material related to family in an inappropriate way.
Daniel Moder and Julia Roberts met on the set of a movie. They fell in love and got married. They have been together ever since, building a family and sharing many beautiful moments in their lives.
The main distinction of porn with a story genre from regular porn is the presence of a coherent narrative. Regular porn often jumps straight to the sexual action, while the story genre tries to add some kind of story framework around it. But in the end, both are adult-oriented and feature explicit sexual content.