Koneko's sister Kuroka has appeared to take her sister away from Rias Gremory. Issei and Rias chase after her to stop that from happening. At the same time, a figure who objects to these alliances between mythologies appears at the great gathering.
| Creator | N/A |
|---|---|
| Actor | Yuki Kaji, Yoko Hikasa, Azumi Asakura |
| Country | Japan |
| Production | TNK |