Even with the new "observe mode" giving you hints, finding all the butterfly locations in Assassin's Creed Shadows will take a while. There are ten of them to find in The Butterfly Collector quest, well-hidden around Osaka.
I'll admit that it took me a good half hour to track down every butterfly location, and that's just scratching the surface of The Butterfly Collector quest. These origami butterflies are actually messages from a smuggling ring, which leads to an elaborate assassination quest to rescue missing children. I'll go over that here, too.
