Takashi, a husband, happily reports to his wife that the long-awaited bonus has arrived. His wife decided to return to her parents' home to prepare for childbirth, and they promised to use the bonus carefully for the child. However, the couple hadn't had sex in a while, and Takashi, who was alone for the first time in a long time, became carefree as if he were single again. And then, he found Yuuka, a top-notch delivery health service girl, on a dating site. Takashi fell head over heels for Yuuka, who is beautiful, good at being spoiled, and her play is full of love. Before he knew it, he kept extending the time and was spending time with Yuuka as if they were living together. He didn't even realize that his precious bonus was running out…
