I made this yesterday, just download the index.m3u8 file when you start the video through the network inspector (make sure the network inspector is open when you start the video)
yt-dlp.exe --add-header "User-Agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0" --referer "https://recu.me/" -o "filename.mp4" "m3u8 url"