Use Your Invincible Rain-Sheltering Art to Figure Something Out

When the tragedy of transmigration through time turns into a comedy of cashing in on knowledge, yesterday's "shelter" becomes the greatest golden finger. This is a ridiculous rags-to-riches tale about using "secondhand goods" from sixty years ago to fleece the masses in a new era, and ultimately dragging even his creditor, a Taoist priestess, into the mess.