He has Tsunade give him a boob job, and makes it her favorite thing.

Naruto then had both girls rise and laid back on Tsunade's desk, his erection up as he took out the Note and wrote, "From now on, Tsunade Senju will love giving Naruto Uzumaki a tit fuck above anything else. She will find herself wanting to use her chest to service him all the time, and simply be unable to get enough of pleasing Naruto with her breasts, to the point where she wouldn't hesitate even a moment to give up **** for life if it meant tit fucking him even once, and this joy will be at its height when he cums. She will still enjoy other forms of sex with him, but not to the same extent. She will still be able to function normally and can go indefinitely without giving him a titfuck, she would just much rather be allowed to."

"Alright Tsunade, I want you to use your glorious boobs on my manhood," he stated, tilting his head up as he set the Note down.

"Oh yes, of course!" Tsunade crooned as she turned to him and jiggled her tits with her hands for a moment before leaning forward to slide his member between them. She cooed as her chest enveloped his dick easily.

He moaned as he felt his dick in the warm embrace of what felt like a personal paradise for it. She cupped her tender orbs in her hands and gave him a warm smile with nothing but happiness and contentment filling her face.

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"You like that?" she asked hopefully, moving her torso up and down to make her chest simulate a pussy. She prayed that he was enjoying it enough that he'd let her do it more.

"Oh yeah... And you?" he asked, already knowing the answer, he just couldn't get enough of hearing it or something similar from girls he had used the Note on.

"I love it," she cooed, squeezing her bust on him. "I feel like a lewd slut, and it just feels so natural, I can't get enough, I want to fuck you in any way you desire at any time you desire, but using my boobs... I want to do this above all else..."

He grinned and bucked his hips into her chest a little, making her giggle even more and give his tip a lick. "Oh yeah, this is definitely something I want to do all day... And would if I could, but we got business to talk, and I still want to use your other parts and Shizune..."

Disappointed that he was only going to do one round of this for now, she nonetheless worked her breasts with her hands, determined to get him off, even if it meant bringing the bliss of having him in her sacred valley to an end.

She continued to bring her torso up and down to make her boobs do the same for his dick, and her grunted and placed a hand on her head as he began to pump his hips from her desk, his cock pulsing before he let the dam break, and released his seed on her face and tits.

She wasted no time beginning to lick it up, absolutely loving the taste, but notably not pulling her chest off of his dick.

He chuckled and let her stay like that until she finished cleaning herself, when she pouted as he pulled out of her bust. He pet her head as he looked between her and Shizune.