>looking forward to seeing what darkness the MC uncovers to corrupt and mindbreak the pre-regression version of her main love interest after doing the same to the six other megucas
>she doesn't, she just summons the spirit of said love interest from the future, who saw everything that happened to MC after her suicide and became corrupted and mindbroken already, to bodyjack and assimilate her past self
This is cool too but I'm slightly let down after all the other megucas were corrupted by exploiting and awakening their own internal flaws.