Talk:Monster Musume: Everyday Life with Monster Girls Online/@comment-18762052-20151110022919/@comment-25569977-20151110195743

You asked the question right as I went to sleep xD

And the anon is right. Kuruwa is what is called a "jourougumo" or the Nephila Clavata which is an oriental species of the golden orb-weaving spider. Kuu is a Cu sith, which is an scottish dog spirit/fairy thing if I remember correctly.