ガタガールsp. = Gatagirl sp. : 阿比留中生物部活動レポート
がたがーる えすぴー : あひるちゅう せいぶつぶ かつどう れぽーと
est. Rough estimate based on volume count, reprints and magazine — not an official figure
External databases: MADB
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections