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.
Holograms, a new technology.
الهولوغرام، تقنيّة جديدة
Hologramme, eine neue Technologie.
Hologramas, una nueva tecnología.
Hologramas, una nueva tecnología.
Dans un futur proche
survint une révolution technique
Gli ologrammi sono una nuova tecnologia.
Uma nova tecnologia que 
começou com os hologramas.
Новые технологии — голограммы.