Inou Shiori no Meiji Taishou Youshokuki

The time was the turbulent period between the Meiji and Taisho eras. Shiori Ino, the second son of the Ino Pharmaceutical family, is a gentleman raised in the old ways. He found himself in the midst of a booming town, full of energy that came from the opening to other cultures. So Shiori will enjoy a meal of the new cuisine, and find fascination in new forms of entertainment. This is the spin-off manga from the NHK morning TV series "Warontenka," featuring one of its most popular characters!

(Source: Mangahot, translated)