Matsusaka Wagyu A5 - Osaka's best Yakiniku BBQ ?

Well-established M Yakiniku Dotonbori in Osaka (Japan), a restaurant I had previously visited in 2016 for the first time:    • Matsusaka Beef - Japan's most expensive beef  
Meat cuts this time all Matsusaka A5: Chuck rib steak, flat iron (oyster blade steak), fillet (chateaubriand) and sirloin steak -