Responses
overprotective bros
http://www.mangago.zone/read-manga/shitteru_yo/
http://www.mangago.zone/read-manga/nirameba_koi/
http://www.mangago.zone/read-manga/sick/
http://www.mangago.zone/read-manga/renai_nante_itashimasen/
supportive family/cheering them on
http://www.mangago.zone/read-manga/boku_no_osekkai_darling/
http://www.mangago.zone/read-manga/noda_ke_no_oshie_ni_yori/
http://www.mangago.zone/read-manga/renai_nante_yurushimasen/
http://www.mangago.zone/read-manga/mukidashi_no_koi/
Thank you so much!
Any yaoi manga like http://www.mangago.zone/read-manga/kuro_koi/ where the seme or uke’s brother, any family member is involved (not in a bad way) to the relationship of the couple :)