Tappei Nagatsuki is a Japanese writer best known as the author of the light novel & manga series Re:ZERO and the Vivy prototype light novels.
Eiji Umehara is a Japanese screenwriter best known as the main writer for visual novel ChäoS;Child. He has worked on scripts for multiple projects, including the Re:ZERO and Vivy -Fluorite Eye's Song- anime.
loundraw is a Japanese artist best known for illustration work and character designs for such projects as Vivy, I Want to Eat Your Pancreas, and Josee, the Tiger and the Fish. loundraw recently debuted as a director with the anime film Summer Ghost, and founded the anime studio Flat Studio.