>>281314935
>when there's 3 different mainstream wn sites
Nah, Syosetu mogs them all. Start counting: https://en.wikipedia.org/wiki/Shōsetsuka_ni_Narō#Selected_works

>and not counting people submitting their scripts to publishers the old fashioned way
I know Japan has an enormous editorial industry, but the odds of anyone getting published from an unsolicited manuscript are essentially zero.
See that photo? That's the average manuscript pile for your beginner editorial assistant.