Richard Ranasinghe de Vulpian

A shrewd jeweler who has customers worldwide, Richard, is a genderless stone-cold beauty. Seigi expresses him as a “living jewel” Also, Richard is a polyglot who speaks fluent Japanese; even better than native Japanese people.
He offered Seigi a part-time job when opening his jewelery store, the “Jewelry Etranger” in Ginza.
He is an extremist when it comes to royal milk tea and also an acknowledged sweets junkie.

(Source: Official Website, edited)