"Side Hustle FX: Earn 10 Million Yen in a Year, Even as a Salaryman" Price: - #Books Regarding Price Reductions and Bundle Requests: For each additional book that can be included in the same shipment, we will reduce the price by 100 yen. Sets of books are counted as one book. I am not good at price negotiations, so price reductions are only available for the above-mentioned bundle purchases. I apologize."