Each exchange of 1 Golden Beans can grants you 5 Ryo. Ratio: 1 Golden Bean Exchange = 5 Ryo.
Every use of 20 gold in the game will earn 1 Ryo (Market trade is excluded).

You can buy Ryo from Method 2. 1 Gold Bean can buy 50 Ryo.
Ratio: 1 Gold Bean = 50 Ryo.

You can attend in-game event to get more free Ryo every day.
How to: Verify Account Activity in Method 3 to get up to 20 free Ryo Per Day.