The Hardest Rock in the World Boruto: Naruto Next Generations : Season 1 Episode 71

The first Five Kage Summit since the attack by the Otsutsuki Clan is held in Hidden Leaf. The current Kage as well as their predecessors assemble, except the Third Tsuchikage, Ohnoki. Boruto and Team 7 have been assigned security duty, but Boruto gets bored and lets his guard down. Then by chance, they encounter Ohnoki.