[ The sounds he hears make him smile a little as he listens to Shinji's answers. In general, positive emotions are more enjoyable to listen to. Shinji's was a teeny big quieter, but that was better than having super loud noises. ]

A long time, huh... I was able to meet Kaito-kun before, when I first got here.

[ And it's been five months since then. To top it off, Kaito had mentioned they were here for six months at that point... ]

...You guys have been looking out for each other pretty long here, then.

[ The two had been away from their home worlds for just under a year at this point. A year... A thought of Tanjiro being away from Nezuko for that long passes his mind, and he feels a dull pain in his chest. He places a hand over it, trying to rub it away. ]

...Do you ever dream about being back in your home world?