Shori goes to The Great Demon Kingdom by accident after the lake in Switzerland pulls him in. He asks Yuri to stop the ceremony of the forbidden boxes and questions the Original King's decisions.
| Title | What Must be Protected |
|---|---|
| Genres | Animation Comedy Action & Adventure |
| Release Date | 2005-12-10 |
| Episode Runtime | 00 Hours 25 Minutes |
| Season Number | 2 |
| Episode Number | 30 |
| Production Companies | Studio Deen |
