In his later years , Nagayoshi assumed the art name ' Tessai ' .
Art name is said Nagayoshi spent Nagayoshi 's life reclusively , whilst pursuing the cultivation of Kiriharano ( in Nishiki ) .
In his later years , Nagayoshi assumed the art name ' Tessai ' , and it is said he spent his life reclusively , whilst pursuing the cultivation of Kiriharano ( in Nishiki ) .