What a catchy little name. I'm not a fan of all these new tlds but that is certainly the way to use them. I see Bellybio.com is up for sale at $3k - I would list it for the same or thereabouts.
These kind of clever and clicky word plays with tlds is the way to go imo so much better that boring pairings that will never unseat the .com or even worse the split word formats (tld making up the PART word)
I like your thinking and commercial marketers will come to like them to. Probably more for campaigns than outright business names.