Copied from https://desuarchive.org/mlp/thread/17862931/#q17866084
original author is Anon

>You float, feeling weightless, in the warmth of the bath water
>Celestia slips into the tub and pulls you into her embrace
>Her warm belly slides up against yours, her forelimbs pulling your face into her neck
>She softly kisses the top of your head
>Her scent is heavenly, sweet and unrecognizable, something you've never smelled before, but somehow nostalgic, like a dessert you loved when you were young
>Her hooves knead your shoulders and her kisses trace down your face to your neck
>You feel her maneuvering her large flanks, moving her rear into position as your erection throbs against her stomach
>She slides up, the warm water running in a wave over your chest, and sits down, taking your length inside of her
>You gasp, and her hoof catches you, inclining your face up so that in that moment of pleasure you see only her smiling face framed by radiant light
>"You're so beautiful, Anon," she whispers, before kissing you gently on the mouth.
>Her tongue plays at your lips as she holds you tightly against her soft body
>Slowly but firmly she begins to pump her hips up and down, her pussy hugging your shaft
>Her warmth, her scent, the softness of her, of all of her, surrounding you
>You've never felt such pleasure
>You let out involuntary moans, and feel your eyes get wet
>She leans down to kiss the corners of your eyes
>"Shh, it's all right," she whispers, stroking your face. "You're all right."
>The rhythmic contractions of her pussy and the pumping of her hips bring your quickly to orgasm
>You explode into her, spurting your seed deep inside as the Princess breathes hotly in your ear
>With your face buried against her alabaster neck, she rubs the back of your head and leans into you, pressing you into the wall of the tub, cushioning you with her body
>"Go to sleep, my love," she says, kissing you in the warm pink water
>Your eyes flutter, your body feels so heavy
>Feeling so very happy, you drift off into peaceful slumber, in the arms of your Princess