Mikiko Lockwood in an article on The Hosta Library titled, A Little About Japanese Hosta Terms defines the term kichirifu or ki chirifu as yellow-speckled and the term oba or ooba as large leaf or 'Oba Gibōshi' which is the Japanese name for the species H. montana.

This cultivar name was mentioned in the Lockwood article with no further details but we can probably expect that it is a plant with large, yellow speckled leaves that is related to H. montana.