Established relationship yaoi?

do you mean
1) that they are a couple right from the start?
2) or that the people around them know and accept their relationship?

1) http://www.mangago.me/read-manga/kanga_na_spoon/
http://www.mangago.me/read-manga/soba_ni_oitene/
http://www.mangago.me/read-manga/sweet_life/
http://www.mangago.me/read-manga/sweet_dog_food/
http://www.mangago.me/read-manga/honenuki_ni_saretai/
http://www.mangago.me/read-manga/koushaku_no_himeta_kuchizuke/
http://www.mangago.me/read-manga/kizoku_no_aoi_kuchizuke/tr/47976/page/110/ (sequel)
http://www.mangago.me/read-manga/uchi_no_tantei_shirimasen_ka/
http://www.mangago.me/read-manga/kami_sama_onegai/
http://www.mangago.me/read-manga/lover_s_position/
http://www.mangago.me/read-manga/mankai_darling/
http://www.mangago.me/read-manga/aikotoba_wa_hallelujah/
http://www.mangago.me/read-manga/fancy_bed/
http://www.mangago.me/read-manga/kairaku_han_i/
http://www.mangago.me/read-manga/hidoi_otoko_aoi_akira/

2) http://www.mangago.me/read-manga/sukijanai_kedo_aishiteru/
http://www.mangago.me/read-manga/gosan_no_heart/
http://www.mangago.me/read-manga/heart_no_kakurega/
http://www.mangago.me/read-manga/kiss_ja_tomaranai/
http://www.mangago.me/read-manga/koi_wa_ina_mono_myouna_mono/
http://www.mangago.me/read-manga/momoiro_junjou_danshi/ + sequel
http://www.mangago.me/read-manga/soba_ni_oitene/

I mean both is fine :)
Thank you for the list!!!!