Had Yukari been paying attention, she might have dodge the blow. Had Yukari been paying attention, she might have opened a gap, catching the ninja's fist and sending it harmlessly whiffing through the air behind her head. Had Yukari been paying attention, she might have figured out that sneaking up on the ninja like that was probably a poor attention.

Yukari, however, was half asleep and instead only blinked dumbly as she was jerked forwards into the incoming fist, wincing as it grazed off her jaw, making her stumbled slightly even as the ninja toppled into her.

"Ow..." she moaned faintly as her feet danced about to regain balance before they both just fell in a heap on the floor. Finally getting their center of gravity, Yukari smiled lopsidedly down at the ninja who she had her arms around. "Well, that was quite the greeting."