English version available here. Direct link to Japanese pattern PDF. Both English and Japanese versions are fully charted using standard knitting and/or crochet symbols.

Materials Japanese size 7/0 crochet hook (4.0mm)

NOTE: The website linked has four patterns on each page. Each pattern has its own Ravelry entry: Flower A, Tube B, and Circle C. The PDF files with the patterns are split into two, and all the hook and yarn information is listed in the first PDF.