第1話: 失恋の慰めとしてカズヤがチズルをレンタルするが、二人が同じ大学に入学していることが事態を複雑にする。

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Kazuya Kinoshita is a college student who is dumped by his girlfriend. To cure his depression, he rents a girlfriend named Chizuru Mizuhara, but is dissatisfied by how unauthentic she acts. Their second date consists of him calling her out, which leads to her revealing her true colors. Kazuya is then called to the hospital due to his grandmother getting hospitalized once again, and Kazuya's family is shocked to see his new "girlfriend". When Kazuya's grandmother decides to go tell the other elder women, Chizuru panics as one of them is her own grandmother. After leaving the hospital, Kazuya is prepared to move on with his love life, but that is stopped short when he and Chizuru find out they attend the same college. (Source: Wikipedia)