“You almost died on me once when we were very young, but luckily I was able to control myself before you were almost completely out of air! Now, catch your breath before I get nervous… making me too nervous is against the ruuuruuus…”
“And tickling me… is not?”, Kneesocks said, grinning. “I suppose that this is against the ruuruus too?”, she said, rolling and pushing herself up, so that she was on her hands and knees, on top of Scanty, “Or is this fine for you~?”
She had to restrain herself - it was against the ruuruus, to do what she wanted to, in public at least, and red skin tended to stand out…