Japanese traditional culture. It is a new sensation application that you can experience the filleting of red sea bream with one finger. The red sea bream picture book, the king of fish, is fun in battle, easy to understand with illustrations, and you can know deeply about red sea bream. All you have to do is tap according to the cooking lead. Depending on your proficiency level, cards of 1 (high) to 8 (low) grade will be displayed. It can also be used with the chromebook introduced in the school by the GIGA school concept. It also contains the relationship between SDGs (Sustainable Development Goals) "Sustainable Development Goals" and Madai, so it can be used as a tool for ESD (Education for Sustainable Development) "Education for Sustainable Development".