Yes. 'More Than a Married Couple' manga came to an end. The creators decided it was time to finish the story and leave it on a satisfying note for the readers.
In many such manga, the couple might show a lack of emotional connection or passion. They could be together for practical reasons like family expectations or financial stability.
Well, the ending of the manga sees the characters resolve their conflicts and find true love. It ties up loose ends and gives a sense of closure. There are some unexpected twists along the way that keep it interesting.
You can try some popular manga reading websites like MangaDex or MangaReader. They often have a wide range of manga available, including More than a Married Couple.
I'm not sure specifically as I haven't read this light novel in detail. But generally, it might be about a relationship that is more than just being friends (more than a couple in a sense of being closer than ordinary friends) but not quite lovers yet. It could explore the in - between stage, the emotions, and the situations that the characters face in such a relationship.