"I thought it would have a lot of weapons, the amount of missile is actually surprisingly low for its size though, that's weird."
"Well, these guys live underground, their way of thinking may be different from us."
-Marisa and Reimu after defeating Yamame-

Kurodani Yamame, Touhou 11's stage 1 boss

The 078-KY Spider is a 4th generation large size aggressor type fighter jet, it's as big as an SU-35, though it has a weirdly low amount of weapon despite its type and size. It was purely born from Yamame's magic. This aircraft belongs to Kurodani Yamame, it's the 4th aircraft in the Subterranean Animism pack.

Character's wiki

Aircraft's information:
.Battle theme
.Manufacturer: Magic born
.Role(s): Fighter
.Top speed: 2200km/h at 5000m (Full payload)
.Weapon(s):
-1x danmaku gun
-8x MAAM (Medium range Air-to-Air Missile)
+Min range: 500m
+Max range: 150km
+Radar guided (require lock-on)

.Special feature(s):
-Afterburner at full throttle

Gallery:

Alright, that's all, have a nice flight!