The Case Study of Vanitas

Mémoire 15: Oiseau et ciel ―The d'Apchiers' Vampire― (1x15)

Air date: Jan 29, 2022

Noé learns Naenia took Chloé's true name. Chloé's past and the d'Apchiers' history come to light, including her friendship with Jeanne, the Alteration Engine, and Ruthven's friendship with Chloé, which he shattered by trying to take the engine research.