I initially started reading this novel without many expectations aside from expecting it to be incredibly lewd, but color me surprised, it's actually one of the best novels of the genre I read in a pretty long time(personal opinion obviously).

The story is unexpectedly interesting and there's a decent number of mysteries that will make you curious. MC is surprisingly fun, he is kind of a coward/scaredy cat at the beginning but he develops as a character as the volumes go by, he is quite hard working too. The heroines and female characters in general are all quite decent, the secondary male ones are fun on their own as well(except one named Ougiya, that boy is annoying), so the secondary characters have some focus and time to shine once in a while.

Regarding the worldbuilding, it's not the best I've seen in a series but it's being pretty good for a light novel with only 8 volumes and it's definitely better than the ones of many long isekai series nowadays.

For those that want to know how is the romance, it's done decently. The girls don't fall for the MC right away and some of the female cast actually don't even show interest on him at all. While this novel is categorized as a harem, it's more like a love triangle disguised as harem since there's serious romantic progression between the MC and only 2 other heroines, the other members of the "harem" are all A.I. characters so that's the reason why I personally don't consider this a harem in the true meaning of the word.

Before I forget, I better warn that this novel does have detailed erotic scenes(well, MC's main abilities are lewd ones so no surprise), and while they're not incredibly long like the ones in the author's previous work or as...hardcore, they're still graphic and lewd enough, so if that bothers you to no end, then I don't recommend reading this series, now if you enjoy ecchi or is just indifferent to it then I do recommend to give it a chance and check it out since there's decent chances that you may at least have fun with this series. Keep in mind that volume 1 is the lewdest one, from volume 2 onwards, while there's still lewd scenes, there's a lot more focus on the characters, worldbuilding and plot.