Yaoi: stories with prequels, sequels, spin offs and other

sequel: http://www.mangago.me/read-manga/love_kids/ (story about the son and the dad friend)

Sequel: http://www.mangago.me/read-manga/remnant_kemonohito_omegaverse/ (about the brother and other omega )

Spin off: http://www.mangago.me/read-manga/petit_mignon/ (about the kids of remnant kemonohito)

Sequel: http://www.mangago.me/read-manga/kazoku_ni_narouyo/ (about when they are older and take care of a little girl)

Prequel: http://www.mangago.me/read-manga/koi_nanka_shitakunai/ (about the friend and his step brother)

Sequel: http://www.mangago.me/read-manga/secret_xxx/

About their brothers - Spin Offs:

First: http://www.mangago.me/read-manga/therapy_game/


Sequel: http://www.mangago.me/read-manga/therapy_game_restart/

Sequel: http://www.mangago.me/read-manga/23_45_re/

Spin Off: http://www.mangago.me/read-manga/shiny_star/

Prequel: http://www.mangago.me/read-manga/hana_no_miyako_de/

Spin off: http://www.mangago.me/read-manga/kanawanu_koi_no_musubikata/

Sequel: http://www.mangago.me/read-manga/netsuai_nante_ariemasen/

Spin Off: http://www.mangago.me/read-manga/renai_nante_itashimasen/