0-Nichi kara Hajimeru Dekiai Fuufu Seikatsu
0日から始める溺愛夫婦生活 · 0にち から はじめる できあい ふうふ せいかつ
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Tired of harassment from her coworkers, Yuriko decides to enjoy a break from work, unemployed. Worried about Yuriko's future, her mother sets her up on a blind date with Hino. From the get go, Hino is aggressive about his marriage proposal to Yuriko, and...?! (Source: MangaPlaza)
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections