In absolute terms, it’s a middling TV episode-length feature. But if you consider that a local town commissioned this i.e. it has a low budget, what came out with the available resources is pretty decent.

It is an anime a Japanese town made (commissioned?) to promote itself, the whole episode is on Youtube.

I wasn’t sure whether it was a joke or not at first but it turns out it is a real town in Iwate prefecture. I hope no one gets the idea that they really have a super robot as Guardian Angel after watching it though 🤣

The animation is not bad and is the length of a full episode, and it has famous seiyuu voices, notably Takayama Minami (of Detective Conan fame) as the main character. Usatsuka Eiji (illustrator of Zero no Tsukaima) is credited as one of the authors.