Fuck Tsunade on her desk.

"So, Tsunade," Naruto grinned, stripping, forgoing the "Granny" title, as it would feel weird to call someone you are fucking that. "How about we break in that desk of yours?"

Tsunade grinned and said, "I like the way you think Naruto." She stood, swiping the paperwork off of it carelessly, and started by removing her green robe, before bending down to take off her sandals.

Naruto finished stripping first and palmed Shizune's ass through her robe as he watched Tsunade get her feet bare, and Shizune moaned, grinding her butt against his hand. Tsunade grinned as she removed her grey dress, letting her very generous bust come into view.

'Pervy Sage, eat your heart out,' Naruto thought as he gazed at what was essentially a pervert's holy grail. Tsunade then shimmied out of her pants and panties, leaving herself completely naked.

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She then sat on her desk and spread her legs, opening her pussy with her fingers. "Come on in Naruto," she invited.

"You don't need to tell me twice," Naruto smirked, walking over, and stroking his cock as he went, he stood between Tsunade's spread legs and slowly slid in.

Tsunade gasped and said, "Wow, you're pretty big..."

Naruto chuckled as he bottomed out, and leaned forward to kiss Tsunade, who immediately returned the gesture. He began to slowly fuck her, holding her sides. She moaned into the kiss as her entrance squeezed his dick.

Shizune watched, having opened her robe enough to expose her mesh shirt covering her breasts, and was groping herself, panting and blushing.

Naruto broke the kiss as he slid his hands up to start fondling Tsunade's mammaries. As he sped up his fucking, he leaned down and started to lick her right nipple, eliciting further moans from her, followed by a light squeal as he lightly bit down on it.

He switched tits as he sped up, making her squirm on the desk, panting. "Oh yeah Naruto, keep going, keep fucking me!" Tsunade gasped as Naruto pounded into her.

"Heh, you are a beautiful woman Tsunade, I could fuck you all day," Naruto grunted. Unfortunately, his release was imminent, and he gasped out as he came into her, and made her cum as well, making her give a wordless cry as her pussy spasmed on his shaft.

Naruto wheezed a moment, before pulling out, still hard as he considered what to do next.