The AV work 'Aino Rei' tells the story of a wife who becomes a wealthy man's sex slave to save her son suffering from a chronic illness. The protagonist, Shinji, laments his powerlessness while witnessing the process of his wife's training in videos. Even after the success of the surgery, something happens... The cast is alluring, and the inclusion of anal makes it even more enticing. It is rated as an NTR work and evokes excitement due to its unrealistic developments.