Ep. 4: Nightingale Ball -Nachtigal-
Ipinalabas noong Abril 29, 2018
Mga Episode
- Ep. 1 · The Glow of the Cursed Tome
- Ep. 2 · The Imperial Library Intelligence Asset Management Bureau -Fukurou-
- Ep. 3 · Those Who Take the Name of the God of Flames -Kagutsuchi-
- Ep. 4 · Nightingale Ball -Nachtigal-
- Ep. 5 · Akatsuki Evening -Lilac-
- Ep. 6 · Mother's Face -Kingfisher-
- Ep. 7 · Movie Theater After the Rain -Tears-
- Ep. 8 · The Colors of the Flames of Love -Tragedy-