You actually wrote Megalovaina in the video but since the point of this song is kinda Megalovania but slightly different, I feel like Megalovaina is a fitting title.
Should this au be called forgotale or that already existing thing? Probably but maybe could calling this au something similar it like memorytale and if that's also taken at least now you can probably understand what I'm says about Before you point out my weird typing I'm fully aware of it and accepted my weird ways and like how words fitted into these strange things