"I'll keep it quiet... but let me know if you find anything that's worrying."

His smile is a little lopsided, and he reaches for a workbook that's sitting to the side of the desk, rather than in the pile he's checking. He slides it over to Yukine.

"And I'll do my best to keep things quiet around here until you get back," he adds, deliberately cheerful. Yukine and Yato can, he suspects, handle themselves. Still, he's going to worry. "I picked this up a few days ago: I think it's about at your level, Yukine, so if you'd like to keep up with your work...."