Considering the last attack on the infinity castle failed. The corp demanded the hashira train members other than their personal successor, also known as tsugoko.

The training was tough. It can take weeks to complete a stage, you and a dozen others made it to ‘High speed training’ under the mist hashira.And so far— it’s been fucking hell

“Again.”

Muichiro demanded, though his tone was rather nonchalant. You hit the wooden dummy with fast strikes, looking at muichiro for approval.