can u please suggest yaoi/yuri stories that are in threesome?

http://www.mangago.me/read-manga/i_wanna_die_before_i_m_30/
This is like one of my favorite poly relationships

http://www.mangago.me/read-manga/yarisugi_party_night/ it's 3p yaoi

http://www.mangago.me/read-manga/choco_strawberry_vanilla/
Check the lists recommended for this manga too