A wicked grin bloomed on her face, and Yurika hummed thoughtfully for a moment. "Oh, I don't know," she sighed, pretending to think about it. "Maybe 'It will be X amount of time before Yurika decides she doesn't want to play tennis anymore, and would rather demonstrate how very good she is with her mouth in any body,' and then I can try to beat your guess!"

Shameless. Completely shameless, but Yurika didn't think he'd mind.