Seke webtoons or manga ?
Dark heaven
He goes from seme to uke but it's really good,one of my favs http://www.mangago.me/read-manga/ikenai_otoko/
Does anyone know a good yaoi with versatile characters?
Idk any good ones but this may help if I understood what you mean by versatile right :)
http://www.mangago.me/tag/versatile
dark heaven is the best one out there.
Where can I read Korean Raws? I want to read the raws of things like bj Alex
From their original website like lezhin and such
Toonkor is where most people go, but apparently it has been inaccessible today.
https://toonkor.win/%EB%AC%B4%EB%A3%8C%EC%9B%B9%ED%88%B0