「古川雄大 The Greatest Concert vol.1 -collection of musicals-」 〈Osaka〉 August 27th,Fri.-29th,Sun.,2021 COOL JAPAN PARK OSAKA WW Hall 〈Tokyo〉 August 31st,Tue.-September 5th,Sun.,2021 TBS Akasaka ACT Theater https://www.ken-on.co.jp/thegreatestconcert1/