Did Shirou pick up that hair dryer off-panel? Or does he have one with him at all times, just in case he meets somebody with wet hair? That's what a hero of justice would do.
..Hm?Ah, well I invited you after all...Woah...We simple knights offer our heartfelt gratitude as thanks for partaking in your considerate patronage. Huh?We must make sure I'm all dry too!Sh....! Shirou! Me too...!Shirou's gonna dry his hair for him!?N... No No it was not my intention to put it off just to trouble youAh, yes.ShirouAh uhm... Gauein? Is your hair still wet?You'll catch a cold!DripIntellectually I am aware of what a dryer is, but to be honest I've never used one before...Can I do it for you?All of you'd better properly express your gratitude to Shirou too.Not at all, after we suddenly forced ourselves on you...!Rather, I am at your service.I guess you couldn't deceive Shirou after all.steamsteamThank you I'm so sorry to trouble you even though you're our guest.You cleaned the bath for me didn't you?