Well, this was a challenge for Yuugi to prove some restraint, and she'd just asked if the prize would let her get laid. Unflattering, maybe, but it was a safe assumption.

"Sure, sure." Tuugi obediently crossed her arms behind her back. She didn't know any binding that could survive and Oni's strength anyway. She was also missing the obvious, that Patchouli would just use some sort of magic that raw physical strength wouldn't help her against, but what was a little bondage between girlfriends, really?