Under the guise of supporting impoverished families through economic means, a special law was passed that allowed individuals outside of immediate family members to receive tax deductions for providing financial support. However, there were hidden rules; those who accepted assistance would essentially be placed under their benefactor's control, managing every aspect of their lives. This secret legislation was designed to benefit wealthy elites who could exploit the system by purchasing humans with money. Desperate for funds, five-day market Yui decided to take advantage of the program, but she ended up being bought by her company's former superior after making a mess of things at work. Initially resistant, Yui soon finds herself trapped in a hopeless situation when even authorities refuse to intervene. As she weakens due to lack of food and water, she reluctantly agrees to serve her new owner according to his wishes. To her surprise, he treats her kindly and showers her with affection, including delicious snacks and pleasurable sexual submission. Despite initially finding the experience distasteful, Yui can't help but become aroused and eventually succumbs to the pleasure...

特別扶養法案が可決された。家族以外でも経済的に支援すると税金の控除を受けられるようにして、貧困層への支援を促す――というのは表向きの体裁。実はこの制度には、支援を受けると支援者に文字通り生活すべてを管理されることになるという裏ルールがあり、それを知っていると実質的に金で人間を買うことができる上級国民のための法律だった。彼氏と遊ぶ金欲しさでその制度を使おうとした芽依は、自分が手ひどく振った会社の先輩の家に買われてしまう。初めは抵抗するが捜査機関も取り合ってくれない絶望に加え、食事も抜かれどんどん弱っていく芽依。言われた通り奉仕してみるとそれまでが嘘のように優しくされてお菓子も与えられ、服従セックスが快感だと心身に刷り込まれてしまい……。