(TrendHunter.com) Starbucks Japan recently announced its first summer menu addition, the Melon of Melon Frappuccino and it's part of a drop that's all about vivid seasonal colors. The two-colored drink... (TrendHunter.com) Starbucks Japan recently announced its first summer menu addition, the Melon of Melon Frappuccino and it's part of a drop that's all about vivid seasonal colors. The two-colored drink...