The total time required to watch all 12 episodes of Koutetsujou no Kabaneri is 0 days, 4 hours, and 36 minutes.
0
4
36
You’ll need a total of 0 days, 4 hours, and 36 minutes to watch all 12 episodes of Koutetsujou no Kabaneri.
Assuming you’re a robot and don’t need pesky things like food or sleep…
