[His shoulders relax at Ichigo's assurance, both that he'd not disturbed him, and that his brothers are inside. He then shakes his head quickly.]

No, not missing, exactly. I just wanted to be certain he wasn't troubling you.

[He shifts his gaze to look out on the rainy garden with a sigh.]

I am glad Muramasa is getting along with the tantou, but I do not want his habits to cause a misunderstanding, either. [Looking back at Ichigo he emphatically adds,] If he ever causes trouble, do not hesitate to tell me.