There are various niche clothing or accessory brands using the name "Lui" or "Lui's" in Japan.
It is possible this refers to a very niche product, a localized souvenir item, or a misremembered name. LUI Japanese Charm Girls
Japanese culture has many charms ("omamori") for love, fortune, and safety, often sold at shrines. There are various niche clothing or accessory brands
Based on a search of available information as of April 2026, there are no widespread, officially documented products, media, or brands explicitly titled that yield a standard, substantive review. a localized souvenir item
Where did you see or hear about them (e.g., , social media , a shop in Japan )? Japan House | Omamori - University of Illinois