A girl named Delyth. She used to be training at the stadium every day in high school. At that time, she was healthy and fit and had never imagined herself to be fat. Everything gets worse after she graduated from high school because of the Covid-19 outbreak. She binge eats, plays games, watches dramas, and etc... One day, she realized she gained lots of weight. This has shocked her and thus she decided to change her unhealthy lifestyle.