>>304969774
You can see the skeleton on the Hierachy, anon. Which, if you hadn't tinkered it, would be on the left side. Just keep going through the Armature>Hips>Spine>Chest and then look through the arms for what isn't properly placed. To solve the polygons, you can decimate it in blender and force it into a T-Pose. A-Pose also works. If I recall, there's an addon to force a model into T-Pose. You're also beautiful, anon.