In the Gorgeous Takashino Ichizoku:

V.01 - Pet ja Nai!
A young man, Hanabishi Nao who is blessed with the phenomenal capability to sense the coming danger, was employed to work for Takashino Kazusa as a bodyguard, the son of a prosperous family. Nao, however isn't suited for such a job due to his adorable looks. Instead of treating Nao like a defender, Kazusa thinks of making Nao his "pet". But just what kind of "pet" is Nao? Submissive? Domineering?

V.02 - Kiss, ja Nai
V.03 - Hajimete, ja nai!
V.04 - Karada, ja Nai!
V.05 - Tengoku, ja Nai
V.06 - Suki, ja Nai!
V.07 - Futari… ja Nai! (You are everything!)
V.08 - Kirei ja Nai!
V.09 - Yoku, ja Nai
V.10 - Kagayaki, ja Nai!
V.11 - Gorgeous, ja Nai
V.12 - Hihou, ja Nai!
V.13 - Kahogo ja Nai
V.14 - Kioku, ja Nai!
V.15 - Hadaka, ja Nai
V.16 - Buddy ja Nai!