Replace Audio & Face Overlay

I have six very short source videos (labelled “VID”) and six matching narration clips (“NAR”) sitting in this Drive folder: https://drive.google.com/drive/folders/1Cwp7k0oEz67g5K7Fw6zFFqc9fegu-oAA?usp=sharing... (Budget: $10 - $30 USD, Jobs: Adobe Premiere Pro, After Effects, Audio Editing, DaVinci Resolve, Final Cut Pro, Video Editing, Video Production, Video Services)