koakuma chord progression
A specific chord progression used in contemporary Japanese pop music, often associated with a slightly mischievous or alluring feel. The term is a niche music-theory label.
The chorus of this song is built on the koakuma chord progression.
The koakuma chord progression is one of the progressions you often hear in J-pop.
Compound of 小悪魔 (koakuma, 'little devil') + コード進行 (kōdo shinkō, 'chord progression'). The name likely comes from the progression's playful or slightly wicked sound in pop music contexts.