僕はコーヒーがのめない(1)

[DeepL Translation - needs review] Volume 1 Introduction: Hanayama is a young salesman at a beverage company who says he can't drink coffee. And Hanayama's boss, Kagaya. The two take the lead in starting a third wave coffee project. However, Hanayama has a secret that he has not even told his colleagues... The finest coffee is even called "red diamond," and there is even a superb coffee that costs over 10,000 yen for 100 grams. This is a gourmet and success story about coffee, with rivals fr...