Beautiful mature lesbian ~The eternal vow sways lewdly~

Several years have passed since Kaori and Nanako, who went to the same university after high school, started having a physical relationship. In the circle they joined together, they created a fairy tale and made a firm vow to prove their eternity. After graduation, they work at the same company, sit next to each other, and grow their love without being disturbed by anyone, but that vow is broken when Kaori marries her parents. Kaori, who no longer speaks to each other even though they work together, learns of Nanako's suffering through gossip about her co-workers...