est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
I Will Go to School: The guy's in high school and that's generally the cut-off, age wise...right? Well, the teacher has loli-teacher syndrome, so I guess it kinda cancels out. It's Not Like We're Going Out, But...: Kirihara's boyfriend wants to keep a secret that they're going out, so from now on no mater what happens, she says "We are not going out".
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections