Who is Masahiro Yasuoka, the man who first conceived of the “Heisei” era?

＜prologue＞I started a blog called "The Baby Boomer Generation's Miscellaneous Blog"（Dankai-sedai no garakutatyou:団塊世代の我楽

• #Masahiro Yasuoka
• #first conceive

• #Heisei era