I'm not going to pretend the show is bad, but it isn't great or legendary. I feel like four and five stars must be reserved for better shows. The concept is cliché and worn out. It's a moe mecha. That's it.
The art is average, the combat feels very static. And as usual guns on mechs are useless, swords are king. I think that's the allure of mecha anime, the one on one duels and melee combat, so