"Shunkan Heartbeat" (瞬間ハートビート) is the debut song of ReGLOSS, the first wave of virtual youtuber group Hololive DEV_IS.
Shunkan Heartbeat was first revealed as an instrumental in the announcement teaser for Hololive DEV_IS[1]. It was then used in a series of countdown teasers featuring silhouettes of ReGLOSS members, culminating in the release of the Shunkan Heartbeat MV. The MV also served as the announcement trailer for ReGLOSS.[2]
The song continued to be used in various trailers for ReGLOSS past their debut until a short period after its digital release.
egaku mirai yosou zu wa
onaji yume o hikiyosetai yo
hate shinai tabiji no mukou ni
magire mo nai kiseki ga aru hazu
sayonara merankorikku
tomerare wa shinai kono shoudou
tsukisusumu dake sa
narifuri kamawazu Are you ready?
genkai wa nai sa jundo mugendai no ijigen
chiribameta hirameki yozora minagitteyuku
yorokobi wa kanashimi no bai wakachiatte ikou
kimi to nara dokomade mo
A sense of unease, can't be outrun
Craving all the world's fun
Something off about the routine, coming undone
Was sick and tired of it all
Only familiar sights, only familiar views
Wishing for an inexplicable change
And on one of those days so suffocatingly mundane
You came from out of nowhere, like a bolt from the blue
Wrote a story, to be continued
That ran roughshod across every inch of my body
The once monochromatic scenery has now
Taken on new hues with you, it's a
Brand New World
Blowing the mind
A whimsical, fleeting heartbeat
A rift in the continuum
No longer alone, a star is born
Painting a picture of the ideal future
Making a shared vision come together
At the end of this long, long journey
Awaits endless adventure and brand new stories
Before I know it
I can't live without you
If I'm with you always
A whole new universe awaits
Taking off into the clear blue sky
Spirits couldn't be higher
Moving on from the drawing board, from twinkles in the eye
To make dreams come true, make hell freeze over
As the clock winds down
The spell's wearing off, but keep it going on
Dancing Time
Blowing the mind
A whimsical, fleeting heartbeat
A rift in the continuum
No longer alone, a star is born
Painting a picture of the ideal future
Making a shared vision come together
At the end of this long, long journey
Awaits a definite miracle story
Say goodbye to melancholy
There's no stopping this rising pulse
Going full speed ahead
Throw reason to the curb, are you ready?
No limits, 100 percent otherworldly
Scattered rays of hope light up the night sky
We share twice more joy than pain
Todoroki Hajime and Juufuutei Raden's verses at the end of the first refrain was used as the background track for ReGLOSS promotional shorts on the Hololive DEV_IS YouTube channel[4]
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