Yaois with two semes and one uke

http://www.mangago.me/read-manga/futari_no_musuko_ni_nerawarete_imasu/
http://www.mangago.me/read-manga/uchi_wa_futago_de_teippai/
http://www.mangago.me/read-manga/ai_to_makoto_moriyo/
http://www.mangago.me/read-manga/six_sex/
http://www.mangago.me/read-manga/futari_no_maharaja/

I have a list too of just threesomes in general:
http://www.mangago.me/home/mangalist/212873/

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

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

http://www.mangago.me/read-manga/seikaku_warui_uke_ga_guzuguzuni_nakasareru_hon/mf/c009/

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

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

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

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

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

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

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

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

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

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

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

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