Also Related to the story:
The Kuroneko Kareshi series;
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 to Kareshi to Ouji
7) Kuroneko Kareshi no Arukikata
Nekoka Kareshi no Ayashikata (semi prequel)
Fukigen Kareshi no Nadamekata (Spin-Off)
Nekoka Danshi No Shitsukekata