A struggling voice actress who goes by the name of Yunimaru is barely making ends meet. Constantly thinking about when she will escape her miserable life, she's contacted by Konno Sayaka—a beautiful and successful woman working for a big company—with a job offer: to read a farewell letter at Sayaka's own funeral. While grappling with whether or not to accept such an absurd job offer, Sayaka makes her a proposal that she can't refuse. Now with an opportunity to escape her situation, Yunimaru also finds herself aiding Sayaka in the completion of her letter.