No reaction to the attempt to politely inform him of the Drip Situation. One may wonder if he didn't notice, or didn't get it - because, surely, he wouldn't just not care, right?

He does, however, raise an eyebrow at Shiro's explanation. "Awfully quick to bring a total stranger to your house. I could be anyone."

Despite the ominous words, Mithrun's voice is as monotone as before. He takes another sip of the protein shake before adding, "Did you sleep in those twenty hours?"

Hint: There is no right answer.