PR
お姉さんは少年にエッチなことがしたいアンソロジーコミック = She Wants to Have Fun with Young Boys An Anthology of Short Comics
おねえさん わ しょうねん に えっち な こと が したい 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