Description：Top-Grade Retainer summary: A young sales manager, due to an accidental experience, arrives at a completely different world. In the Xiao family’s mansion, he becomes a glorious . . . retainer!Late comes the dawn of spring,The myriad flowers foresee its arrival.Planting peach trees year after year,They bloom at heartbreak.. . . . . . . . . . . . . . . . . . . . . .Poem of the Peach Tree — Third Bro