ღ yaoi that have a series ღ 2

Read it with sequel -
http://www.mangago.me/read-manga/akutai_wa_ude_no_naka_de_futatabi/
http://www.mangago.me/read-manga/akutai/

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

Adapted from -
http://www.mangago.me/read-manga/junjou/

Read it with the side story -
http://www.mangago.me/read-manga/hotel_traffic/

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

Adapted from -
http://www.mangago.me/read-manga/yume_musubi_koi_musubi/

Read it with the sequel -
http://www.mangago.me/read-manga/kaze_no_yukue/

Read it with the sequel -
http://www.mangago.me/read-manga/shitasaki_no_netsu/
http://www.mangago.me/read-manga/senaka_made_no_kiyori/
http://www.mangago.me/read-manga/kurubushi_no_hone/

1st Volume of Nako series by Sakyou Aya. Chronological order of the entire of the series:
(1) Nekoka Danshi no Shitsukekata
(2) Nekoka Kareshi no Ayashikata
(3) Ikezu Kareshi no Otoshikata
(4) Kuroneko Kareshi no Asobikata
(5) Kuroneko Kareshi no Amaekata
(6) Kuroneko Kareshi no Nakasekata
(7) Kuroneko Kareshi no Aishikata
(8) Fukigen Kareshi no Nadamekata
(9) Kuroneko Kareshi no Afurekata
Info source: https://www.mangaupdates.com/series.html?id=47347

Read it with the sequel -
http://www.mangago.me/read-manga/hana_no_migoro_ni/

Read it with the sequel -
http://www.mangago.me/read-manga/sotsugyousei/
http://www.mangago.me/read-manga/graduation_certificate_artbook/
http://www.mangago.me/read-manga/occupation_to_beloved/