Where did you see or hear about them (e.g., , social media , a shop in Japan )? Japan House | Omamori - University of Illinois
There are various niche clothing or accessory brands using the name "Lui" or "Lui's" in Japan.
Japanese culture has many charms ("omamori") for love, fortune, and safety, often sold at shrines.
To help you find what you're looking for, could you clarify:
Is this a , accessory (like keychain/jewelry) , or a media character ?
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.
It is possible this refers to a very niche product, a localized souvenir item, or a misremembered name.