User blog comment:Kaido King of the Beasts/Chapter 906: What is This, a Crossover Episode?/@comment-26369387-20180601190025

Well, this arc is definitely full of revelations regarding the romanisations of the names; first Koby, then Sterry and now Mary Geoise, as well as Nefertari Vivi. I wouldn't be surprised, if "Reverie" is going to have different  romanisation in the future chapters... I guess we'll see.