Kuro tsuki no kage ni or
lunar eclipse is gesshoku
solar eclipse is nisshoku
Kurotsuki
Kage Tsuki
getsuga tensho i believe
True you can say, "kuroguma" but that would be the direct translation from English. The name for black bears in Japanese is, "tsukino waguma". Meaning moon bear, or crescent bear.
bloody moon
akai kage
Kage no suteppu
kageno masutaa
Kage Senshi
Kage no pansā
kage kitsune
hayai kage