Cool na Doukyuusei no 10-nengo
クールな同級生の10年後 · くーる な どうきゅうせい の じゅうねんご
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
When she was a student, she was a beautiful but cool loner. But 10 years later, we are married...... and she spends her days being all lovey-dovey with me! This is a collection of two-panel stories about the moe gap between the time skip, and the way she is becoming more and more doting on me! (Source: Kadokawa, translated) Note: Originally self-published, the series was collected into a commercial volume published by Kadokawa on 2024-09-20
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections