Ten years ago, Kasun divorced her husband and raised her son alone. She worked desperately, raising him and sending him to college, working hard for tuition fees. Thanks to her efforts, her son secured a job offer at a major temp staffing company. Thinking that child-rearing was finally over, she felt an empty void in her heart. Feeling lonely, she was invited by her son on a hot spring trip, setting off on a graduation trip with just the two of them.
