Crimson spell:
http://www.mangago.me/read-manga/crimson_spell/
http://www.mangago.me/read-manga/seto_no_omise_no_okyakusama/
http://www.mangago.me/read-manga/haikyu_dj_happa_no_yousei_tooru_chan_to_hajime_chan/
http://www.mangago.me/read-manga/mauri_to_ryuu/
http://www.mangago.me/read-manga/me_ni_wa_sayaka_ni/
http://www.mangago.me/read-manga/tsumasaki_ni_kourozu/
http://www.mangago.me/read-manga/gondwana_no_nemuri/
You can also search on 'supernatural' or 'fantasy' tag (⌒ω⌒)
Any good yaoi with high fantasy? Like lots of magic or elves or dragons and stuff? ヾ(❀╹◡╹)ノ~