The picture shows how I made an overlapping seam (wrong side on right side, way different from right sides together, more like appliqué) with a zig zag stitch in nude color fabric.

I found this video and article explaining cover-stitch, it’s very helpful as this is a topic I’ve struggled with a lot https://www.youtube.com/watch?v=L6Cu3Utf1Lo https://www.ageberry.com/coverstitch-vs-serger/