Katsugeki/Touken Ranbu: Season 1, Episode 4

1 - 4: What I Wanted to Protect

A new mission brings the Second Unit to Edo, where the tension between the pro-shogunate forces and the Imperial army are so hot, you could almost set it on fire. With plenty of room for the Time Retrograde Army to alter history, will Izuminokami and his team be able to stop them?