Ghostdog

As rain fell outside, a customer dressed in mourning clothes entered La Mer Bar alone. His clothes were drenched, water dripping from him. The bartender, Shimura, was captivated. The man ordered the Charleston, the signature cocktail of the previous owner, Satomi. This customer had likely been here before... Just as Shimura was pondering this, the customer ordered a second drink: "A Ghost Dog." "If anyone ever orders this cocktail, watch out. That guy might be a real dog ghost." Shimura remembered what the previous owner had told him long ago.

(Source: eBookJapan, translated)