I think that person shipped Kayn/Sona already but not sure. There was also Jinx/Kayn art before Odyssey event too. I wouldn't really count it unless it's Odyssey art. I think there's more Jinx/Kayn art of Odyssey.
Kind of sucks, because the art is good but I only ship Sona/Kayn in Odyssey. Like, draw some Odyssey art please!