Ganbare

I have it, but I don't know how to create a new manga on here

Please upload it here, please please please oh, yaoi gods please

On a side note, I think you need to contact the admin to add a new manga or,... you may add it as a manga chapter here but retitle the chapter as the original

Or this might help
https://www.mangago.zone/read-manga/mangago_how_to_guide/