They are perhaps best known in the US for the opening theme to the Japanese series Kemonozume, "Auvers Blue" as well as the first opening to the anime Gallery Fake, "Ragtime".
The special episode "Noximilien l'Horloger", which tell the origins of the main antagonist, Nox, was produced in Japan, it features a radically different art style made by the same team of animators who worked on Kaiba and Kemonozume, it was directed by Eunyoung Choi with Masaaki Yuasa on character design.