Ruli and the gang are researching the paranormal sightings around the city when they stop to investigate a rumor about a haunted karaoke box. It’s said that if a certain song is sung, a mysterious and creepy voice begins to sing along with you.
Here comes an enigma
How mysterious
Hier kommt ein Rätsel! Wie mysteriös!
Se acerca un enigma, qué misterio
Se acerca un enigma, qué misterio
Avec le surnaturel
Arrive le mystère
Que enigma mais misterioso
Новая загадка. Как таинственно.