[ties off the underwear. Also red.]

One way or another, I'm the best suited for this task.

[He grabs the way bigger cloth, and wraps that one more simply around Shiro's waist, this time from the front. Eyeing him here and there like his weird way of locking eye contact in defiance of instincts that tell him to break eye contact.]

So, you're my responsibility, Shiro.