PR
老後のススメ : I like you.But sometimes I hate you.
ろうご の すすめ : あい らいく ゆー ばっと さむたいむず あい へいと ゆー
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