Mr12Inches - 1兆3704億5215万5410 - EX BOSS - x19746 - World Ignition [v1.02]
Spoiler
I also tried some runs in Arcade Original and managed to get a PB:
Arcade Original - Type I
Mr12Inches - 8512億3568万1250 - Stage 3 - x33268 - World Ignition [v1.02]
Spoiler
Also, great job Erppo! That 42億 score in Arcade Boost is amazing!