Vocaloid songs are about 70% dark, an the majority of them can be explained by using a anime as a metaphor. If I had to explain this using that metaphor, than Happy Sugar Life comes to mind. Join this collab between Miku, an Gumi, as you wonder rather or not Gumi got a good lawyer. Probably the guy that be driving them trucks. You can’t help but feel sorry for Gumi as she lives her life with the child version of Miku. That all started with a “Magic Lie”