Famous Jiu-Jitsu journalist , Kinya Hashimoto who is official media sponsor of 2018 Fukuoka International Jiu-Jitsu Championship.
He had posted the report of the special seminar that held at Master Japan Fukuoka on next day of the tournament. (2018/Feb/25th)
You can watch the reports from the below link.
Please check it.
Brazil Blog [Report of the special seminar on the next day of 2018 Fukuoka International]
http://btbrasil.livedoor.biz/archives/55778533.html
