following
Jesus people if you want to keep tabs on a post just open it in a new window or something
The criteria was a little open ended so I took some liberties. It kinda turned into "jealousy but no love triangle"
Not really accusing of cheating, but getting jealous from friends:
http://www.mangago.zone/read-manga/wonderful_days/
http://www.mangago.zone/read-manga/oko_sama_star/
http://www.mangago.zone/read-manga/stop_bullying_me/
http://www.mangago.zone/read-manga/nemurenai_koibito/
http://www.mangago.zone/read-manga/otona_keikenchi/
http://www.mangago.zone/read-manga/gouin_sakka_to_makeinu_no_hatsukoi/
http://www.mangago.zone/read-manga/ai_wa_sekai_o_sukuu_no_ka/
http://www.mangago.zone/read-manga/ikujinashi_no_shiawase/tr/45214/page/50/
http://www.mangago.zone/read-manga/crossover_love/
http://www.mangago.zone/read-manga/hitomi_no_dokusenyoku/
http://www.mangago.zone/read-manga/rouge_katsura_komachi/
http://www.mangago.zone/read-manga/dakaretai_otoko_ichii_ni_odosarete_imasu/
http://www.mangago.zone/read-manga/devil_x_devil/
http://www.mangago.zone/read-manga/suki_toiunoni_nazekashira/
http://www.mangago.zone/read-manga/hitorijime_boyfriend/
http://www.mangago.zone/read-manga/ousama_game_takagi_ryo/
http://www.mangago.zone/read-manga/happy_yarou_wedding/
http://www.mangago.zone/read-manga/blind_love/
http://www.mangago.zone/read-manga/king_prince_kaiser/
http://www.mangago.zone/read-manga/gokujou_no_koibito/
http://www.mangago.zone/read-manga/houkago_no_love_call/
http://www.mangago.zone/read-manga/kohitsuji_project/
http://www.mangago.zone/read-manga/kimi_no_nioi_ga_suki/
http://www.mangago.zone/read-manga/tadoru_yubi/
http://www.mangago.zone/read-manga/risou_no_koibito/
http://www.mangago.zone/read-manga/rising_storm/
Any yaoi manga with a uke that is so friendly with everyone and he is so close from his friends that he things with them the seme thinks it's cheating???