文ぶん春しゅん文ぶん庫こMeanings1nounBunshun Bunko (paperback label)product nameA well-known Japanese paperback imprint published by Bungeishunjū. Used as a proper noun.この小しょう説せつは文ぶん春しゅん文ぶん庫こから出でている。This novel is published under the Bunshun Bunko label.