The Hashiras know the past.
The Hashiras went into the past, on an ordinary day Kaguya is telling the story of the ancient Hashiras. And then after finishing counting, the Hashiras went on a mission after an oni that was running away until they found a magical globe, with curiosity they touched it and were teleported to the past, a portal opened and threw them to the ground.
About The Hashiras know the past.
The Hashiras went into the past, on an ordinary day Kaguya is telling the story of the ancient Hashiras. And then after finishing counting, the Hashiras went on a mission after an oni that was running away until they found a magical globe, with curiosity they touched it and were teleported to the past, a portal opened and threw them to the ground.