Im seeing that a lot of persons replied under a different question that their first yaoi was either junjou romantica or Sekaiichi Hatsukoi. These were the first yaoi I read as well so I wanted to know how much person had the same experience.
it was a free doujin, about them in the desert, rin x haru, i forgot the name but im pretty sure this is the same artist
http://www.mangago.me/read-manga/free_dj_same_to_iruka_no_dokusenyoku/ reply