They give Ginko's shuolder a little rub before their hand drops away again, and they turn back to Kaworu...

And he starts walking away?

No, no, no, that's not right! Making a distressed sort of whine, Frisk jumps up and runs after Kaworu, reaching to hold onto his shirt--just enough for him to feel a tug, but not actually stop him.

"W-wait! What's wrong?"