In Planie, there is an anime set 150 years back. This city is infamous for having a disease that transforms humans into undead creatures. Due to this outbreak, it has earned the nickname "the cursed city". Kanae is a priest who resides in a church located outside of the city. Since his arrival, there has been a decrease in cases of the disease. However, when a mysterious man joins Kanae, the fate of the city undergoes a significant change.
ChroNoiR Episode.0 is a short animation delving into the origins and lore of Nijisanji's biggest Japanese male v-tubers Kanae and Kuzuha, which form the unit ChroNoiR.