Guitar rock with full-throttle humanity-rock bloodstream blasts out as Arakezuri drop ダイヤモンド (Daiyamondo, “Diamond”), a sweat-soaked anthem that turns muddy days, cracked voices, and stubborn dream-chasing into emotional carbon under stage-light pressure. Built like a singalong engine with the optimism governor removed, the song shines as the theme for Biwako Broadcasting’s TV program 高校野球ハイライト (High School Baseball Highlight) — basically sports-drama fuel for anyone polishing their own little rock-shaped gemstone in the dirt. This one lands as a stand-alone digital single with TV-program muscle behind it.
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