Senior Bi, a senior at Dianying Academy, danced non-stop for three days and three nights, and eventually died of exhaustion in the dance room. The college was in chaos, and everyone thought Bi was crazy. However, Senior Bi's sister Xiaomei felt that something was fishy, and she refused to listen to the advice and came to hwx office, the senior organization of the Student Union of Dianying Academy, to seek help. But she didn't expect that her life would change after she stepped out of hwx office. The strange red dance shoes, the "resurrected" Bi, the eldest sister turning into an eldest brother, Yejia with dual gender...