can anbody suggest me some supernatural yaoi?

umm...i think you forgot to add the link/name of the yaoi

Fantasy ❈ Sci-fi ❈ Supernatural
http://www.mangago.me/home/mangalist/196/
Shape-shifter ● Vampire ● Merman ● Demon
http://www.mangago.me/home/mangalist/1491/

Where to start ...

The supernatural is a powerful theme in Aoi Aki's works, and she blends it so subtley with the natural world, it's seamless:

http://www.mangago.me/read-manga/tsumasaki_ni_kourozu/mh/163653/Vol1_Ch5/pg-2/

http://www.mangago.me/read-manga/hyakunen_kesshou_mokuroku/

http://www.mangago.me/read-manga/gondwana_no_nemuri/

http://www.mangago.me/read-manga/stellarium/

Some people find her stories a bit slow-going, and they are more shounen ai, than yaoi, but I like them.

You haven't spelled out what sort of supernatural stories you like, so I will suggest a few that utilize themes from Japanese folklore and religions:

Heavens and Hells:

http://www.mangago.me/read-manga/jigoku_meguri/

Shinto Sword Purification Rituals:

http://www.mangago.me/read-manga/goshintou/

Ghost Stories:

http://www.mangago.me/read-manga/ichigo_no_yume_shimatsuya_risuke_no_kaii_jikenchou/

Animal Spirits and the Moon:

http://www.mangago.me/read-manga/yokubou_shounen/mrs/manga/yokubou-shounen/v-1/3/4/

Naono Bohra has a whole bunch of stories based on the youkai theme, which you can access from the front page of that manga.

http://www.mangago.me/read-manga/sentimental_garden_lover/ (this one is incredibly cute.)

http://www.mangago.me/read-manga/kuro_ookami_to_kin_kitsune/

Then there is this very original take on werewolf legends, which has sequels you can look up if you like:

http://www.mangago.me/read-manga/wild_fangs/

A super-smutty take on the same theme by Ike Reibun:

http://www.mangago.me/read-manga/hide_and_seek/an/hide-and-seek-chapter-9.html/2/

And it's sequel:

http://www.mangago.me/read-manga/teirui_makura/mh/c005/3/

An amazing story about time travel by the same author:

http://www.mangago.me/read-manga/not_equal/

Ike Reibun also has some sci-fi stories in these archives.

Finally, there are all kinds of stories involving vampires, angels and demons, shapeshifters ... I just suggest a tag search.

thank you