THREESOMES:
http://www.mangago.zone/read-manga/uchi_wa_futago_de_teippai/
http://www.mangago.zone/read-manga/sefure_jijou_koibito_miman/
http://www.mangago.zone/read-manga/docchi_ni_suru/
http://www.mangago.zone/read-manga/koitomo_triangle/
http://www.mangago.zone/THIS-IS-YUMIKOS-3P-LIST
http://www.mangago.zone/read-manga/satou_kun_ni_wa_kanawanai_sachimo/
http://www.mangago.zone/read-manga/chika_chan_to/
http://www.mangago.zone/read-manga/kuroko_no_basuke_dj_vanilla_shake/ (dj)
http://www.mangago.zone/read-manga/ikenai_otoko/ THIS IS YUMIKOS
http://www.mangago.zone/read-manga/ryoute_ni_darling/
http://www.mangago.zone/read-manga/as_you_desire/ (dj)
http://www.mangago.zone/read-manga/free_dj_osananajimi_to_shichakushitsu_ni_iru_to/ (dj)
http://www.mangago.zone/read-manga/gamushara_mob_rape_2_chikan_jigoku_hen_kuroko_no_basuke_dj/ (dj, includes rape)
http://www.mangago.zone/read-manga/kareshi_to_ore_to_ore_no_kouhai/
http://www.mangago.zone/read-manga/free_dj_yurushite_warui_iruka_chan/ (dj)
http://www.mangago.zone/read-manga/yokohama_3p/
http://www.mangago.zone/read-manga/free_dj_gyaku_ni_neko_ni_sarechaimashita/ (dj)
http://www.mangago.zone/read-manga/fukusu_mobure_bl/
http://www.mangago.zone/read-manga/free_dj_zenmon_no_shachi_koumon_no_shachi/ (dj)
http://www.mangago.zone/read-manga/free_dj_otonamuke_free_no_freedom_na_hon/ (dj)
http://www.mangago.zone/read-manga/shingeki_no_kyojin_dj_kare_to_kare_no_renai_jijou/ (dj)
http://www.mangago.zone/read-manga/kuroko_no_basuke_dj_boku_to_issho_ni_kurashimasen_ka_futsukame/ (dj)
http://www.mangago.zone/read-manga/kuroshitsuji_dj_kichiku_moralism/ (dj)
http://www.mangago.zone/read-manga/kodomo_no_oasobi_free_dj/ (dj)
http://www.mangago.zone/read-manga/uta_no_prince_sama_dj_retake/ (dj)
http://www.mangago.zone/read-manga/magi_dj_kami_nomi_zo_shiru/ (dj)
http://www.mangago.zone/read-manga/1305/
http://www.mangago.zone/read-manga/kuroko_no_basuke_dj_houkago_dreamer/ (dj)
http://www.mangago.zone/read-manga/netorare_3p_kaikan_kousoku_play/
http://www.mangago.zone/read-manga/free_dj_happy_day/ (dj)
http://www.mangago.zone/read-manga/shingeki_no_kyojin_dj_reunion/ (dj)
http://www.mangago.zone/read-manga/kuroshitsuji_dj_akai_tsuki/ (dj)
http://www.mangago.zone/read-manga/k_dj_fushimi_sensei_s_infirmary/ (dj)
http://www.mangago.zone/read-manga/osomatsu_san_dj_gomenne_kaa_san/ (dj)
http://www.mangago.zone/read-manga/ryoute_ni_haru_free_dj/ (dj)
http://www.mangago.zone/read-manga/free_dj_futari_no_makoto/ (dj)
http://www.mangago.zone/read-manga/dramatical_murder_dj_kawaii_kara_tabetai/ (dj, also a game)
This if you’re okay with incest,
http://www.mangago.zone/read-manga/ai_to_makoto_moriyo/
give me recommendation ;-; (except: http://www.mangago.zone/read-manga/futari_no_musuko_ni_nerawarete_imasu/ http://www.mangago.zone/read-manga/choco_strawberry_vanilla/ http://www.mangago.zone/read-manga/there_s_no_way_this_is_fate/ and http://www.mangago.zone/read-manga/1305/