Do u mean how to upload here? See this
http://www.mangago.me/home/photo/5318652/
Otherwise... https://www.google.com/url?q= https://www.wikihow.com/Self-Publish-and-Promote-Your-Manga&sa=U&ved=2ahUKEwjY7cCqjLrtAhWQVN8KHYzaAjkQFnoECAQQBA&usg=AOvVaw180HVTMPDUxjE0mIcV1rTz
Do you need a permit to publish it? Can anyone publish it? ╮(￣~￣)╭
If there is already another group who is uploading manga you should get their permission before you try and take over But there isn't a permit required to upload this stuff.This is a pirate site
How do you publish a manga