主謀者翔馬(Shubousha Soma) (formerly known as マーブル(Marble)) new DVD & VOD “真贋見据えし我が思想” will be released at 2021/02/14. The content of the release is the last concert he gave under the name マーブル(Marble). (DVD · 4,500yen & VOD · 2,200yen)
I add a MV in case you don’t know the project: