せいほん
bookbinding; binding (a book)
Noun, Suru verb, Transitive
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.