Katsugeki/Touken Ranbu S01E08 - Protect History

Honebami thinks the First Unit has successfully completed their mission, but their captain tells them that they have one more mission. Meanwhile, at the citadel, Izuminokami was still in turmoil from his previous mission, but Horikawa cheers him up. He then goes around to everyone in his unit, and asks them a certain question...