I like how instead of flawlessly skating through the second try as they do in Korean regressorshit, this one acknowledges that the butterfly effect is too extensive to not inadvertently make at least a few things worse. Only, it also dials the concept to 11 by making almost everything worse.
"This didn't happen in my previous life!" - Well, why did you think things would happen the way they happened in your previous life, if you already changed things? Are you a fucking idiot? Of course they change!
You should read Reverend Insanity (the WN version), it's almost like the author feels some form of sadistic pleasure when he gets to take something from the MC.
"Here's your new toy son have fu- Woaah! Damn it I'm so sorry, didn't mean to step on and br- *stifles a chuckle* break that old toy of yours, good thing I just got you that new one, eh?"