Time travel; Xiao Gong is a sunny and cheerful child of the 21st century (19), a Chinese-English hybrid who knows kung fu; Xiao Shou is the eldest son of a noble in the inner world (23), but he was born by a concubine, so he has status (Mi has a child with an expression of inner struggle); the second brother is with the cat god (the cat god has always been lonely); green pupils (blind in the right eye).