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  • Darling! ( Mettaton x Reader )
    87.5K 2.4K 18

    Warning! This story may contain spoilers for the pacifist run of Undertale, so made sure you've finished that first! There IS NSFW/Lemon in this story, but it is only for a brief chapter-and it is not required that you read it. You've been in the underground for a while. You're only a human, but you've decided to sta...

    Completed   Mature