Kirito and the others are taking on Thrymr, the Boss lurking at the bottom level of the dungeon. But unable to make much of a dent in Thrymr's HP, they soon find themselves in grave danger. Just then, their new ally, Freyja, raises her voice…
| Creator | N/A |
|---|---|
| Actor | Yoshitsugu Matsuoka, Haruka Tomatsu, Hiroaki Hirata |
| Country | Japan |
| Production | A-1 Pictures |