PR
ぷにぷにぷにおちゃん : 赤ちゃん観察日記
ぷにぷに ぷにお ちゃん : あかちゃん かんさつ にっき
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