Black sesame got its name.

1. black forest (because it is made of black food, the name black forest can give people an associative feeling and make others curious about your drink. )

2. Warm peas (because there are red beans in your drink, your drink is reddish, so people who see reddish in winter will feel much warmer. )

3. the light of purple dreams (because purple things always bring people a dreamy feeling and make people full of yearning. )