These older texts from around the Genroku era (e.g. "Momotarō mukashigatari") are lost, but surviving examples of later dates, such as the reprint "Saihan Momotarō mukashigatari" (c. 1777) purportedly preserve the older tradition, and form the first (most primitive) group of texts according to . The late date of the reprint has sometimes caused it to be classed as "kibyōshi" ("yellow cover") or later type of "kusazōshi" literature, but it should properly be classed as "akahon" ("red book") or early type.