http://www.mangago.me/home/mangalist/39827/?filter=&page=1
1 Nekoka Danshi no Shitsukekata - Beginning
2 Ikezu Kareshi no Otoshikata (Side Story of 1) - Mangaka x Editor
3 Nekoka Kareshi No Ayashikata (Spin-Off of 1)
1) Kuroneko Kareshi no Asobikata - Shingo & Keiichi's Love begins.
2) Kuroneko Kareshi no Amaekata - A Lover's Quarrel
3) Kuroneko Kareshi no Nakasekata - Move to live together as a couple
4) Kuroneko Kareshi no Aishikata - Interfered by Arrogant Bro/ WereLeopard Clan
5) Fukigen Kareshi no Nadamekata
/Itoshikata
6) Kuroneko Kareshi no Afurekata
7) Kuroneko to Kareshi to Ouji
8) Fukigen Kareshi No Saraikata
Kuroneko Kareshi no Afurekata