thanks to pocky00 for posting this classic, but I see no evidence to support the claim that the artist is really Sano Takayoshi. Sano Takayoshi's work, even his older stuff, looks nothing like this! D&ML lists the author as Soh Wakaba (the name written on the cover) with no alias or alternative name. Most tellingly, a 1999 volume by Soh Wakaba available digitally at DLSite has the same distinctive style. http://www.dlsite.com/books/work/=/product_id/BJ007163.html.