The original project features original character designs by Na-Ga with Jun Maeda handling the script.
The series features director Yoshiyuki Asai and new updates through a live-stream event this weekend revealed that the original character designs are from Na-Ga with Manabu Nii adapting them.
The folks at P.A. Works have a new series coming up this year working with Key and Jun Maeda with The Day I Became a God, aka Kami-sama ni Natta Hi.