A musical novella. After playing a cursed gamelan, Jayid is transcended into a marine city and finds himself transformed into a mermaid. Along with Prince Haery, Jayid dives into an underwater kingdom of Chromatica where the seatizens are the enthusiasts of music and everything melodious. His mission to return to the land had turned into a wondrous journey, flopping into nautical nonsenses, uncovering the dark secret behind the bouncy rave, and the true meaning of life behind the melody.