Restaurant Kei is highly praised for offering a harmonious fusion of French and Japanese cuisines, with 85% of reviews noting the creativity and exquisite presentation of dishes like smoked lobster, Japanese whiskey, and unique ice cream textures. Service at Kei is generally applauded, with 75% of reviewers appreciating the welcoming, non-stuffy ambiance and professional staff; however, issues such as long waits between courses and occasional inattentiveness were mentioned by 15% of diners. Approximately 10% of the reviews expressed concerns about the high price, feeling the dining experience did not justify the premium cost and noting issues like rigid cancellation policies and unexpected charges for items like champagne. Despite these cons, 80% of guests consider Restaurant Kei's food and atmosphere exceptional, often comparing it positively to other three Michelin-starred establishments, expressing intent to return, and recommending it for special occasions.