Haruyama Udon received mixed reviews, with many praising its cozy ambiance, diverse udon selections, and attentive service, especially from staff like Aida. However, common complaints include inconsistent food quality, soggy or undercooked tempura, bland broth, and long wait times during peak hours. Several diners expressed disappointment over portion sizes, food hygiene concerns, and pricing that did not meet expectations. Despite the positive atmosphere and effort put into the decor, the overall dining experience varies, with some customers return-ing for the udon, while others caution against the inconsistent quality.