Kujō Kai

Kujō Kai is the head butler of the Tenjouin house and the father of Kujō Rin.

Personality
Kai is a serious man that shows little emotion. He is very loyal to Tenjōin Ryūga and is his confidant as show when Ryūga talk with him. He love her daughter Rin and accept her resolve to don't be separated from Aya and Saki.

Appearance
Kai is a tall man with long dark brown hair that he wears in a ponytail. His peculiarity are the eyes shut constantly. He wears a classic butler suit.

Plot
Kai debuted in the Chapter 131 of To LOVE-Ru. When Tenjōin Ryūga plans her duaghter Saki transfer to foreign school for abroad study without her consciousness, Saki runs away home. Ryūga then order Kai to take her back immediately at home and Kai send Rin and Aya after Saki.

In next chapter, Ryūga tell him that Saki rebelled against him and that she had matured. Kai then remember a conversation he had with Rin, where she told him that they (she, Saki and Aya) have a special bond and she didn't want to separated. Kai respected Rin's decision.

Trivia

 * He only appears in the manga.

Etymology

 * Kujō means "nine" (九) (ku) and "article" (条) (jō).
 * Kai means "Commandments" (戒).