Noriko Ajiyoshi is a supporting character in the anime and manga series Mister Ajikko. She is the mother of the protagonist, Youichi Ajiyoshi, and the owner of the family-run Hinode Eatery. Following the death of her husband, Noriko took over the management of the restaurant, demonstrating resilience and a strong sense of responsibility. She handles all the administrative and operational aspects of the business, from customer service to overall oversight, but she customarily entrusts the cooking to her son, Youichi. However, when Youichi is away or otherwise occupied, she steps into the kitchen and proves herself to be a competent cook in her own right. Her culinary knowledge is evident in how she regularly samples Youichi's dishes and provides constructive feedback, acting as a reliable and supportive first critic. Noriko's personality is defined by her nurturing and practical nature. She is deeply supportive of Youichi's culinary ambitions and his various cooking competitions, often encouraging him while also keeping him grounded. She embodies a hardworking and dedicated mother figure who prioritizes the well-being of her family and the success of their restaurant. Her motivation is centered on maintaining the Hinode Eatery as a welcoming and successful establishment, honoring her late husband's legacy while fostering her son's extraordinary talent. In the story, her primary role is that of Youichi's anchor and home base. While Youichi travels and competes against master chefs, the Hinode Eatery remains a constant, and Noriko's presence provides emotional stability and a sense of normalcy. Her key relationship is with Youichi, which is built on mutual respect and affection; she trusts his culinary instincts, and he values her opinion and support. She also interacts with regular customers and occasionally with rivals and allies of Youichi who visit the restaurant. Noriko does not undergo a dramatic character transformation, but she develops steadily as she adapts to Youichi's rising fame and the increasing challenges the restaurant faces, consistently showing her ability to manage the business through both ordinary times and high-pressure situations. Her notable abilities include her managerial skills in running a busy eatery, her own respectable cooking talent, and her discerning palate, which allows her to give Youichi honest and useful critiques. She is a steady, capable, and caring presence who holds the Ajiyoshi family together.