EDOMAE SUSHI SHOKUNIN: KIRARA NO SHIGOTO

The story of a girl, Kirara who wants to be a great sushi chef specializing in Edomae style sushi but is initially objected by her grandfather. Saddened by taste of sushi in a very famous Ginza sushi restaurant, she challenged the chef there and won. Later, her sick grandfather gave her his blessings and sent her to train under others. — Description from AniList community (anilist.co).