You cannot draw but want to make a manga or anime?

Well why not try doing things the old fashioned way?  By tracing.   What tracing?  That is horrible!   Why would I trace someone elses work?

You don’t have to do that silly.  You can trace using references you create.   There are many programs you could use to setup a shot and then trace it.

You can make your own characters in 3d and then use them to trace.

Here is an example of creating your own characters.