Kazuko went to Japan to attend the class at Ikenobo HQ in Kyoto in July, 2012.
Her class was the Sogo Tokubetsu Ka, Shouka Senkou, taught by Professor Furukawa.

She made the following flower arrangements, with the praises from the professor.

Kakitsubata (Japanese wild iris):

Morning Glory:
(The professor could not find any thing to correct this arrangement.)