That's Why I Don't Drink

Having always admired his father, Haruto chose to walk the path of a sake brewer. He and Nao, who were born into a family of brewers, were close enough to discuss their futures together. But after 10 years, their situation had changed drastically. They had hoped to support Nao's family's brewery together, but... Nao is no longer the heir?! Haruto is disappointed by his childhood friend's decision, but when he runs into Nao by chance, something seems different...