High School Prodigies Have It Easy Even in Another World!, Vol. 2 (manga)

After starting an economicrevolution in the city of Dormundt, the high school prodigies are up to theireyeballs in money and resources.They've also managed to save little Roo from alife of slavery, so they've earned a well-deservedrest. That is,until "Silver Knight" Inzaghi decides to attack Elm Village, pillage itsnewfound wealth, and abduct poor Lyrule as a concubine for the feudallord. With thegreatest minds and talents known on Earth, this dream team is now set torevolutionize the other world!!