Kyoudai Shikkaku Sore Joutou (Mashi)
兄弟失格それ上等(増) · きょうだい しっかく それ じょうとう (まし)
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
Note: Includes two extra chapters.
Source: AniList
External databases: AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections