ハートに火をつけて

The title translates roughly as setting a heart on fire, and the song makes good on that promise within its first thirty seconds. This is 9mm Parabellum Bullet in full anthemic mode — guitars ringing bright rather than churning dark, a chorus that opens wide enough to feel stadium-sized despite the band's roots in the club circuit. The tempo is brisk and exhilarating, the kind that makes involuntary movement almost unavoidable; the rhythm section swings with more looseness than the band typically allows itself, lending the track a feeling of physical joy that runs underneath the emotional urgency. Nakagawa's vocals ascend with genuine abandon during the hook, chasing the melodic peak without the measured control that characterizes the harder material — here, the point is the reaching itself. Lyrically, the song belongs to the tradition of music about music, about the igniting quality of sound when it arrives at the right moment and changes the direction of something. There is nostalgia embedded in the euphoria, the recognition that certain moments of feeling fully alive are also the moments you immediately begin to miss. This is festival music, summer music, the song that plays when a crowd becomes something unified and temporary. For listeners discovering the band here, it is an approachable and generous entry point; for longtime followers, it sounds like a reunion with something familiar and bright.