factual MS+ leaks #1:
If you Reset Data and then close the game before the mine explodes, your data will no longer be reset, and an item will appear in your Stats page, called the "EmptyDisk". You need to then fight the 
a total of 10 times, and the 
boss a total of 4 times. Each time you fight one of the bosses, data is transferred onto the disk. Once you have reached the required amounts of fights, the "EmptyDisk" will transform into the "LoadedDisk".
After this, you need to complete Episode 2 in its entirety (no skipping with hotkey shortcuts), and when you get to , there will be a new button in place of "Skip Intro", which will be the "Give Disk" button. If you give the disk, it will transform into this:
and you now have to fight it (or do the mercy route)! 2,147,483,647 health btw :3