dude you're just like me, from perfect attendance you got overture from 2nd pop and i got overture from 2nd pop too and it was from the perfect attendance aswell and it was like a month ago with being my first global, W!
a tip before using a hp2 do *NOT* use gravitational device. i know it gives 6x luck bonus, but that doesnt apply for hp2, it does apply for other potions like lucky pot, fortune pot III. use flesh device.
i was literally using flesh when i popped 5 hp2 from perfect attendance (i got overture from 2nd pop and i was so cooked before being 2m rolls with matrix being my best)