The year is 2120, and AI technology has developed and we have entered an era where humans can live a rich life without having to work much because robots do everything for us. Haruna and Natsuki, a newlywed couple, have installed the latest humanoid AI robot, Otetsu-kun, in their house. Otetsu-kun comes and sees Haruna's frustration on the first day, and helps Haruna deal with her sexual desires when Natsuki isn't looking. At first, Haruna hates it, but eventually she becomes honest about her desires and her body and soul become depressed... *The contents may differ depending on the distribution method. Special feature