Let'sゆるポタライフ : たのしくおしゃれに自転車生活はじめませんか?
れっつ ゆるぽた らいふ : たのしく おしゃれ に じてんしゃ せいかつ はじめませんか
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