In Penacony's A Child's Dream, there are 10 Origami Birds busy getting stuck to various items. Save all of them and you can gain rewards from the Boss Red, far north in the area.
Check the image above for the exact location of the Boss Red.
All the Origami's Bird locations can be seen above.
All 10 Origami Birds in Penacony A Child's Dream
1. At the weird clock on the wall.
2. Under the door, near the Calyx.
3. At the bridge connecting the two areas, in front of Memory Zone Meme enemy. Stuck at a golden statue.
4. Inside the vase right beside the door you came in.
5. Inside the balloon.
6. On top of the pillars.
7. At the shell/lamp decoration on the wall.
8. At the bookshelves. Need to pull all 3 birds (but only count as 1).
9. At the fireplace (How is he not cooked?).
10. For the last one, you already got it since it's from the Trailblaze Mission called Through A Glass Darkly. It's from the bird with a red feather.