忘れえぬひと = Unforgettable person : 夕暮れを待ちながら
わすれえぬ ひと : ゆうぐれ お まちながら
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