Akuma no ko
"Akuma" is "demon".
"No" is a possessive particle, for example when you are in possession of something.
"Ko" is child.
Therefore, "akuma no ko". Sorry if it isn't what you're looking for. D:
Otokonoko no oni
Oh-Toh-Koh-No-Koh No Oh-Nee
Otokonoko - Boy
No - Of
Oni - Demon/Evil Spirit
demon blade in Japanese is akuma no tsubasa
ma o
γγΌγ―γγΌγ’γ³
Furasshu no akuma
Hi no akuma
aoi akuma
ma o
'Beautiful demon' would translate to 美しい鬼 (utsukushii oni) in Japanese.
youkai, onii, bake-mono
Akuma no Tousen :D
鬼 /o ni/ is a good Japanese equivalent for what you are looking for.
Ookami means wolf in Japanese and yasha means demon in Japanese. Ookamiyasha means wolf demon in Japanese and yasha ookami means demon wolf in Japanese.