Note: Dropped at the epilogue of Volume 1. This series is the epitome of mediocre. The entire volume, pretty much nothing happens, and not the 'slice-of-life' type of nothing. The volume is full of lackluster plot threads that end unceremoniously, starts a bunch of others with boring premises which will presumably go on in later volumes, and the characters are all tired old tropes that hold tedious and repetitive conversations. You would think that a series about 'overpowered magic' wielded by the protagonist would put more emphasis on developing its magic system. Instead, we get a vague description like "MC does magic and creates a magical item"and moves on. Which by the way, it appears MC is not so much overpowered as a completely unparalleled genius in their world. Indeed, she appears to have developed stuff like magic detectors that are everywhere in the cities, teleportation portals, dimensional inventories with databases (?), alarm systems, among many other things with little much effort than "doing magic" for a bit. Before the age of 13. And somehow she's a nobody.

As for the characters, we have the stupid and evil step-sister, the extremely handsome icy guy that falls in love at first sight with MC, the most competent supporters and allies, the ever-present background girls that give malicious stares whenever MC interacts with powerful handsome men (all of the guys MC interacts with), and the no-personality MC that is dense and nominally a genius, getting pushed around by other characters.

I can't help but take issue with isekais where the protagonist is reborn as a baby or small child and then immediately timeskips into adolescence. Growing into their world is an important aspect of isekai and glossing over it feels like the author just wanted to make it so the MC has ideas for inventions and an easy way to create a character that is 'not like the other girls', and you can't help but ask why bother making it isekai at all. Which by the way, the backstory of her character is equally stupid; as a small child, she has a 'magic discharge' of some sort (which is a common phenomenon) that is large enough to change her hair color. This makes her family think her a monster and send her away to the countryside for some inexplicable reason, perhaps to show you that the bad guys are also dumb and evil. And that's enough for backstory, straight to the academy arc.