Lum, Ataru, Mendou and Shinobu visit an inn which Ryuunosuke and her father have opened. But when it turns out to be on a haunted desert island, the stage is set for some serious silliness!
| Actor | Role |
|---|---|
 Masahiro AnzaiRyuunosuke's Father (voice) | Ryuunosuke's Father (voice) |
 Toshio FurukawaAtaru (voice) | Ataru (voice) |
 Fumi HiranoLum (voice) | Lum (voice) |
 Akira KamiyaMendou (voice) | Mendou (voice) |
 Saeko ShimazuShinobu (voice) | Shinobu (voice) |
 Mayumi TanakaFujinami Ryuunosuke (voice) | Fujinami Ryuunosuke (voice) |
| MMitsuki YayoiNagisa (voice) | Nagisa (voice) |
 Tomohiro NishimuraBlack Glasses (voice) | Black Glasses (voice) |