On December 25, Klang Ruler will release the Unbelievable EP, including the new song Unbelievable, used as the ending theme for the TBS anime series Trillion Game. The series began on October 3. 

The EP will be inspired by Trillion Game and include new songs like Honey Money, Gimme Gimme, Placeless Boy, and Tired. 

A teaser video for Unbelievable with narration from Trillion Game has also been released. 

October 2, 2024
The music video for Unbelievable has been released.
The video, directed by the alternative collective GROUPN, retains the vibes of the anime series, with the members of Klang Ruler dressed as salarymen as they attempt to overcome their colleagues to become the best.