In Neon, the term 'Du' specifically refers to a sake brewer. It serves as an honorific for the Chief Brewer.
Xia Yu visited the alleyway sake brewery and met the Du widow that Liangzi Lina had spoken of.
A sorrowful woman, dressed in a dark black kimono, received the two.
On their way there, Xia Yu had heard from Reiko that the female Du had recently lost her husband, and her decision to leave the Hasegawa family's large brewery and start her own was related to her husband, though Xia Yu was not interested in the tangled love story and did not gossip about other people's private affairs.
"Please come in!"
They went directly to the brewery's storage, and as the widow pushed open the wooden door, a cloud of dust hit them in the face. Xia Yu frowned and said to Liangzi Lina through lip-reading, "Does this brewery actually operate normally?"
