Story takes place after the real Liu Bei returned to the Silver Dimension. When Wang Da Dong was delivering Liu Bei through the inter-dimensional portal, he encountered a timequake and was thrown to ten years in the future. In the future, all the people on the KO ranking have mysteriously disappeared and the class of KO One is now controlled by a girl named King.
Da Dong didn't expect an earthquake to happen during his inter-dimension travel. Woken up by the violent impact of a moving object, he opened his eyes finding that he was in a cabinet in the woman's locker room. From Jin Bao San, Da Dong found that he had disappeared for 10 years and that his parents and his friends, Ya Se & Xiao Yu, were looking for him.