http://www.mangago.me/read-manga/choco_strawberry_vanilla/
http://www.mangago.me/read-manga/brother_x_brother/
http://www.mangago.me/read-manga/paraphrase/
http://www.mangago.me/read-manga/mob_for_jack/
http://www.mangago.me/read-manga/pet_keiyaku/
http://www.mangago.me/read-manga/futari_no_musuko_ni_nerawarete_imasu/
http://www.mangago.me/read-manga/mukizu_ja_irarenee/
http://www.mangago.me/read-manga/joker_trap/
http://www.mangago.me/read-manga/hot_triangle/
http://www.mangago.me/read-manga/bokura_no_mitsudomoe_sensou/
http://www.mangago.me/read-manga/yowamushi_pedal_dj_doushite_kounattassho/
http://www.mangago.me/read-manga/ryoute_ni_darling/
http://www.mangago.me/read-manga/nureru_karada_yamakami_riyu/
http://www.mangago.me/read-manga/non_tea_room/
My manga : 3P+
http://www.mangago.me/people/tag/2337/3P%2B/
there's many and people have their own taste.. search in this...
https://www.mangaupdates.com/series.html?category=threesome&genre=Yaoi&perpage=50
https://www.mangaupdates.com/series.html?category=Group%2BIntercourse&genre=Yaoi&perpage=50
Anyone recommend a threesome yaoi??