Konya Dake Koibito
今夜だけ恋人 · こんやだけ こいびと
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Ikumi and Toshihiko are distant cousins two years apart from one another. After trying a marriage interview, Ikumi decides to get married and goes to Toshihiko's house to learn how to be a good wife. What does Toshihiko do when he finds out about the marriage? Find out in this innocent pitter-patter-filled anthology!
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections