コピーほん
photocopy book; staplebound book
Noun
コミックマーケット６７にてコピー本ほん販売はんばい。無事ぶじ完売かんばいしたので製本せいほんしました。
They were sold as photocopy books in Comic Market 67. We had no problem selling all of them, so we had bound copies made.