The story goes back to the last day of the last century, the school was closed suddenly, do you still remember how that day was? Are you going to the grocery store with your friends? Go to the model shop of the Children's Palace and race four-wheel drive with friends? Or go home, look through the cabinet, under the bed? Or neither, you go to the park in town and see the beautiful fireworks celebrating New Years. On that day, the 12-year-old you accidentally broke into the world of adults. It is a place that is close in sight and far away in the sky. If you don't remember, it doesn't matter, you just need to remember that December 31, 1999 was your "perfect day". Game Features-A story based on realism-Unique hand-painted art style-Cinematic lens design-Reproduction of the style of the times