Modeling Human

Select edges (front). Delete all selected edges.

Select face (front) and extrude front.

Make quick shape

Fix bottom foot area. Add edges.

Modeling foot finger. Create polygon cube.

Shape vertexes. Select faces for nail. Extrude face (scale it down). Extrude face (pull up)

Select back face of foot finger. Delete the face.

Place foot finger like picture below.

Snap vertexes foot finger to foot vertexes. Combine and merge all vertexes

Select all edges border on ankle.