Hiro and his friends come to a lake where it is rumored that kappa haunt and drag humans underwater. Against Hiro's advice, Ruli goes near the lake at night, hears mysterious voices, and...
in the legendary
Magical Detective Elf episode 31!
!في الحلقة 31 من المُتحرّية الإيلف السّحريّة الأسطوريّة
in der legendären 31. Episode
vom Magischen Detektivelf erwähnt wurde.
episodio 31 de Magical Detective Elf.
è ambientato il leggendario episodio 31
de Gli acchiappaelfi, investigaori magici!
lendário episódio 31 de Elf Busters!
в легендарной тридцать первой серии
«Магического эльфа-детектива».