Raku-chan is the protagonist of Nyan~ Neko Sugar Girls. She is a cheerful, outgoing catgirl who loves to spend time with her friends Koneko-chan and Hitoshi-san. She often uses Japanese phrases such as “kawaii”, “sugoi”, “nya”, and “desu” every time she speaks. Raku-chan is childish, carefree, innocent, and a bit of a ditz. She is constantly whiny, but her intentions seem to be good. Koneko-chan is Raku-chan's best friend. They are almost always seen together, and care deeply about each other.