The fact that it has a D rank in Air makes me think that it was supposed to be a default attack for Grungust but didn't get a proper animation before being removed. Maybe the developers just forgot to also remove it from the enemy Grungust?

the only ever realest shit you made

Now this is where Axel (and Alfimi) give a story summary of Super Robot Wars Original Generations Endless Frontier EXCEED

Reimu's group gets this cool ass airship with working AC, 20 bedrooms, 2 bathrooms and probably even a grand dining hall with a guest hall too.
Meanwhile Marisa's gang is just fricking hoofing it to the bamboo forest quite literally doing nothing but wondering whos gonna show up next