I am trying to find a webtoon like a fantasy RPG game world where there's a girl who acts sorta slutish and a dude who is flamboyantly gay and a straight-laced glasses man who acts like a mom.
thats winter moon. u can read it for free on webtoons too!
http://www.mangago.me/read-manga/winter_moon/
https://www.webtoons.com/en/fantasy/winter-moon/list?title_no=1093 reply
