1) Kuroneko Kareshi no Asobikata
2) Kuroneko Kareshi no Amaekata
3) Kuroneko Kareshi no Nakasekata
4) Kuroneko Kareshi no Aishikata
5) Kuroneko Kareshi no Afurekata
6) Kuroneko Kareshi no Ouji Sama
Also:
Nekoka Danshi no Shitsukekata (Adapted From)
Nekoka Kareshi no Ayashikata (semi prequel)
Fukigen Kareshi no Nadamekata (Spin-Off)
Kuroneko Kareshi no Aishikata