are there any top Omega , bottom alpha BL? (Like the omega puts it in)

If I remember correctly, all 3 stories in Pheromone Shower have that pairing.. Tho the last story is the best imo..

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

http://www.mangago.me/tag/omega%20seme/ First three are also like that as I remember

I've been wanting to share this manga to anyone!! It's called Boku no High Spec Kareshi-sama and it's hilarious aff

http://www.mangago.me/read-manga/boku_no_high_spec_kareshi_sama/
hope you enjoys this as much as I did :))