诡校 [Back to School]

Yushan high school was the best high school in Yushan.Inside Yushan high school, the best dormitory is dormitory404.Dormitory 404 consist of many reputable students many years ago.However, 10 years ago, there was a big fire, Dormitory 404 disappeared since then.You were one of their classmate. After 10 years, you received a letter from this school, and you decided to pay a visit to the school out of curiosity.