I like your idea, I THINK, but it would be better if these comics were much more to the point. Perhaps one comic, featuring the first comic in one panel and less words, then the second comic in the last two panels, with a punchline, would be funnier. You have the funny idea, it just doesn't get expressed well in this set of comics. Try to edit a lot and get things down to as little dialogue as possible.
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Sex Piano.