This is their first festival in Japan in 2020. It will be the 6th time they play this venue in less than a year!
Source (Video announcement)
Also notice that Mari Hamada is there as well (BOH and Isao play with her, see this MV).
Where: Makuhari Messe International Exhibition (Halls 1-3), Tokyo Area, Japan
When: Friday, March 20th, 2020 (holiday) – Day 1 “Roadshow”
Doors Open 13:00 / Starts 15:00
1 day – ¥9,800
1 day with Tee – ¥12,800
Link – Link for foreigners (no tee offered there)