Based on the search results, it is not clear which country Lumine is from. Lumine is the protagonist of the webcomic LUMINE, and there is no information about the country of origin of the character. The name Lumine means "light", but this does not provide any information about the characters nationality. Additionally, Lumine is a fictional character in a webcomic and not a real person, so it is not applicable to assign a nationality to the character.