Bl stories about single relatives or parents raising a kid

http://www.mangago.me/read-manga/gochisousama/ this has a single parent if thats what u meant

Here are a few:

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

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

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

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

http://www.mangago.me/read-manga/kiraide_isasete/ (omegaverse)

http://www.mangago.me/read-manga/ikumen_after/ (two single dads)