People write threesomes much less than pairings, so really almost any threesome is probably rare by default, at least in comparison to not-rare pairings.
I love Harry/Ron/Hermione, Lily/James/Sirius, Albus Severus/Lily Luna/Scorpius, Harry/Draco/Ginny, Harry/Draco/Hermione, Harry/Ginny/Luna, and probably plenty more.
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Date: 2012-01-18 11:30 pm (UTC)I love Harry/Ron/Hermione, Lily/James/Sirius, Albus Severus/Lily Luna/Scorpius, Harry/Draco/Ginny, Harry/Draco/Hermione, Harry/Ginny/Luna, and probably plenty more.