Have you ever heard of the twelve beautiful men of the Holy Feather Academy? The mysterious nobles with the twelve feather colors of the Holy Feather? Mastering the twelve lifelines of the world economy? Are they twelve beautiful boys? They are also twelve demons? The big secret? One: The mysterious twelve noble masters who never showed up? No one knows what they look like? Two: Sheng Yu's death classroom DCR? No one has come out of it alive so far. Is it true or not? .....The feather colors of the twelve nobles are in order: White Feather, Black Feather, Red Feather, Orange Feather, Golden Feather, Green Feather, Green Feather, Blue Feather, Purple Feather, Silver Feather, Yellow Feather, Gray Feather. Each Feather color represents a nobleman. The twelve noble masters will take you into a gorgeous and beautiful world, about guarding fairy tales about love.