Most of this is heterosexual romance (by most I mean like 99%) but whenever I do read some BL/GL it goes in this list as well - it is romance after all.
For more check out the original Romance Manga:
https://www.mangago.me/home/mangalist/832456/If you want R18 romance head to my list Spicy Romance Manga:
https://www.mangago.me/home/mangalist/1055007/ 
