PR
背徳の学び舎 : 世紀末倫敦ミステリー事件簿
はいとく の まなびや : せいきまつ ろんどん みすてりー じけんぼ
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