Marukai is described as a hidden gem, offering a variety of interesting imported goods, particularly for those looking for authentic Japanese products. Customers appreciate the reasonable prices and the peaceful atmosphere of the store. While the staff is generally friendly, experiences with security personnel have been mixed; some customers found the security guard at the door to be aloof or overly aggressive. Despite some negative interactions, many reviews highlight positive customer service from cashiers, particularly praising certain employees for their respectful and knowledgeable assistance. However, not all products meet expectations, with some customers expressing disappointment over specific items, like the egg sandwich, which was noted as inedible. Overall, Marukai is seen as a unique shopping destination for those in search of Japanese goods, despite a few concerns regarding staff behavior and product quality.