[ Arima has his own suitcase, albeit it's a bit...makeshift for now. Perhaps he'll see about getting a standard one for the future. Thankfully owl is able to collapse regardless of its size. Though the suitcase looks bulky and stuffed to the brim. The chaos ensured that no one would ask about it at least. ]

I believe you're right. But it didn't seem like the infected had much in terms of mental capacity to form such thoughts as to flee into the sewers.

[ Unless other people from the city have taken refuge there, he's not entirely sure? ] Unless people have been fleeing into the sewers to escape the riots.