PR
R-40 BL : ふしだらなOVER四十路たち
あーる よんじゅう びーえる : ふしだら な おーゔぁー よそじたち
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