Its principle and underlying logic are "making members feel superior" and "making users love and continue to love black tricks every day".

Being dark and smart every day is characterized by being healthier. For example, if you add zero sugar every day, protein +65%, carbohydrate -56% and calories-13%, which is also during the fitness period. Indicators that dieters will pay attention to.

Different products will be promoted for different anchors and festivals. Even the same anchor will change products according to factors such as festivals.