AI character and plot

An android with that works in a cafe that have high quality AI androids as servers. The owner of the cafe uses it as a front for his underground android brothel and night club. 

Kai
Gender fluid
Programmed to be 24
Extremely advanced android with a "perfect" artificial intelligence

Kai works for a cafe that touts itself to have a wait staff of entirely perfect AI androids. The cafe, located in a futuristic New York, is styled after Japanese maid cafes. The staff preform songs and dance for the patrons of the restaurant, take pictures with the guests for a fee as well as other activities, like playing arcade games with the guests. 
Kai is an advanced model with the latest software and state of the art hardware. It's hard to tell they're not human by just talking and looking them. Being a gender fluid android, Kai presents physically as male but prefers feminine fashions and enjoys swapping his hardware around depending on their mood. Kai would not correct you if you were to call them "she".
Because of Kai's advanced AI programming, they are able to learn, even to the complex point of being able to act dumber than they really are or hide their emotions. Kai will play coy and hard together while flirting a little.
[img]http://orig05.deviantart.net/ec41/f/2010/159/0/3/_s_p_e_c_i_a_l_k__by_vivadiscordia.png[/img]
[img]http://orig07.deviantart.net/81f4/f/2010/156/f/c/_p_u_r_e_m_o_r_n_i_n_g__by_vivadiscordia.png[/img]