Miyamae Yukie is a 50-year-old office lady who is Yukie Miyamae to her work. One day, she goes drinking with a male junior from her company, and the obvious affection and the fun of drinking lead to her first ever night out sex! Hooked on their fleeting relationship, Yukie makes it a priority when he calls her, and rushes over to continue the dream... or so she thinks, but the junior's friend suddenly appears. In exchange for an extension to the deadline for repaying the debt, Yukie offers her body! Yukie can't help but climax from the intense pleasure of a threesome with her junior, who likes older women, and her friend!