I'm working on a DIY kit of a plush doll. This is the first time I'm sewing. Per instructions, I'm using a back stitch to sew together two fleece pieces. The problem is that the stitches are visible from the outside, and I think they should be invisible. Did I sew it in a wrong way? Or is there something else I should have done?
Here is how it looks from the inside:
(Click on images to enlarge)