Makes them think he is allowed in, as well as obedient and taking pleasure in it.

"Okay you four, when you wake up, you will think it is alright for me to be in these springs with you. You will not mind in the slightest letting me see you all naked. Not only that, but you will all find me sexually attractive, and find yourselves compelled to obey my commands, and get enjoyment out of doing so, especially the sexual ones."

"A bit faster than usual, isn't it Master?" Sakura teased as the currently mindless girls nodded.

"We're only here one night, and I don't know which ones I can feasibly move to Konoha without causing them too many issues yet," Naruto replied.

"Ah," Sakura nodded, agreeing with the reasoning. Naruto then clicked his fingers, waking the four girls up.

"Oh... Hello," Sumire said, looking Naruto over with the other three, and moving their hands away from their flesh, so he could see their nude bodies.

"Hi there," Naruto said, walking up, and making the four girls blush.