https://www.youtube.com/watch?v=y0LVCGkjhmwChronoir's new song, VVS composed by Nqrse (picrel)
It crossed 400k before 21-hour mark.
FYI, 400k is already faster than Suisei's Ao no Sumika first day, and VVS still has 3 hours more to solidify its first-day speed. I think this one's worth tracking.