This is an eco-friendly game based on the famous love story in South Korea.
It consists of a modernly revised storybook and a card game.

The rule of game follows the storyline, which makes people understand the rule easier.
There are five different rules depending on the level of difficulties.

The main rule uses the calculating methods. 

It helps students learn the basic calculation with a lot of fun. 
Moreover, it can be used to prevent the elderly from suffering from dementia.