PR
僕の彼女が巨乳だったら。おっぱいアンソロジーコミック = If my girlfriend had big boob...Oppai anthology comic
ぼく の かのじょ が きょにゅう だったら おっぱい あんそろじー こみっく
est. Rough estimate based on volume count, reprints and magazine — not an official figure
How to compare editions, collected volumes and ISBNs / Sources, updates and corrections