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Sayonara Girlfriend
さよならガールフレンド · さよなら がーるふれんど
est. Rough estimate based on volume count, reprints and magazine — not an official figure
Overview
A collection of stories: 1. Sayonara Girlfriend 2. Omokage Sunset 3. Watashi no New Town 4. Galaxy Kaikou 5. Maboroshi Cyanosis 6. Alien/Summer
Source: AniList
External databases: MADB · AniList
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections