NHK period drama on Sundays is on air throughout the year, and naturally, the regions highlighted in the drama has high chance to gain nationwide attention. Last year, Niigata and Yamagata came under the spotlight as the leading role of the drama was Kanetsugu Naoe, the warlord who showed presence in the area. Ryoma Sakamoto is featured for this year; his birthplace Kochi Prefecture, and the ass..