Risou no Otoko (S01E16)

Raijuta, who wants to revive the murderous sword, considers Kenshin, who denies his idea, as an enemy. Raijuta initiates a fight using his actual sword, but Kenshin lands a blow that breaks Raijuta's sword and stops the situation from escalating further. After some time has passed, Yutaro, a boy who claims to be Raijuta's apprentice, arrives at the Kamiya Dojo. He claims he has come to challenge Yahiko, with whom he doesn't get along, to a match, but the way Yutaro holds his bamboo sword is no good... (Crunchyroll)