I think you already add mangareader.net but it seems to change to .to
pilite@pilite-GF63-Thin-10SCXR:~/Downloads/comicdl$ ./comic_dl_linux -i "https://mangareader.to/izure-saikyou-no-renkinjutsushi-65439D"
mangareader.to is not supported at the moment. You can request it on the Github repository.
Total Time Taken To Complete : 6.628036499023438e-05
I think you already add mangareader.net but it seems to change to .to