Can you recommend me webtoon sites like Lezhin where i can purchase BL manhwas? (^-^)

http://www.webtoons.com/en/
http://comic.naver.com/index.nhn (the most popular site)
http://webtoon.daum.net/
http://comics.nate.com/webtoon/

Is Webtoon the only one with an English version?