A quirky girl Mu Xiaor Ru accidentally enters a parallel world and intrudes into the private space of Yan Sui, a cold professor. She begins on a journey which turns the various worlds upside down.
as Yan Sui / Hai Ning / Yan Xiu / He Han
as Mu Xiaoru / Qin Rou / Nian Ruolan / Wang Siqi
as Xiao Mi / Xiao Ma / Mei Yanqiao / Wu Yu
as Lan Ying
as Tong Fangli
as Tang Ya
as Wan Wan
as Wang Ye
as Yao Dao / Dong Ai / Security guard 0308
as Su Su / Madam Lan / Jessica
as Yao Yao / Mrs. Yang / Mi Ya
