Botsuraku Yotei no Kizoku Dakedo, Hima Datta kara Mahô o Kiwametemita

This is a harem-like isekai that has no reason to exist.

A Japanese man dies, and is reborn into the body of a 12 year old child. His family is noble, but on the brink of losing it. That story could be interesting, but is mostly ignored.

Instead it follows the protagonist, Liam, as he easily becomes a very powerful magic user, given everything he needs, when he needs it.

It's difficult to figure out who this is for. Young teens would be bored by the nation building, while older teens bored by the lack of action. While there are some lingering shots of legs and cleavage, it's probably not enough to satisfy those who watch these shows for that reason.

Avoid.

The anime has promise. The MC is a pretty typical isekai protagonist but his position as a young noble does require him to handle things a different way than say an adult isekai. The magic he learns isn't quite as flashy as I would like, but the abilities make sense and he uses them well. The fights are pretty bland and repetitive with the exception of how the caterpillar monster is handled.

The pacing is problematic though. He gains a powerful ally or piece of equipment every single episode. He moves at light speed securing respect throughout the world even by just episode 6. His companions are voiced by amazing and talented voice actors, but they don't really feel that impressive or likeable.

They tried to go the reincarnated as a slime route with the naming and evolving creatures route but they feel pretty much the same with the exception of their aesthetics after, and the main party's abilities. They did extend this to humans and equipment which was a bit different though.

Overall it's just not a super memorable show so far. The world building is pretty good, but the characters feel too bland to stand out.