After losing her husband, Chisato worked as an OL during the day and worked at a pub at night to raise her siblings.Her daughter Aoi loved her mother so much.She admired her mother, but at some point, it was replaced by her affection that transcended her parent and child.One day, her younger brother planned a family trip with the first bonus.Aoi also got on it and invested, but at the last minute, my younger brother had an errand, and it became a trip alone with only mother and daughter.