Chayamachi is a restaurant on the fourth floor of the building next to Langham Place in Mong Kok, Portland Street, serving Japanese-style food. At dinner, dishes such as crab fried rice and salted egg french fries can be ordered along with snacks and drinks. The french fries are thick-cut potatoes coated in salted egg sauce and served crispy. There are complaints that orders were taken incorrectly or that staff service was rough.