Kore wa Wareware Fuufu no Koto de,
これは我々夫婦のことで、 · これ わ われわれ ふうふ の こと で
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
It is the Sengoku period. Tadaoki Nagaoka lives only to ensure the survival of his family. He never doubts that this is the natural order of things. As a sign of his loyalty as a vassal, he is suddenly ordered to marry. His partner is unexpectedly a girl with an unusual appearance... (Source: Kadokawa, translated)
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections