[Kurama's situation is almost the inverse; his friends (and his enemies) know, his family doesn't. But that's his choice; to give his mother the human son she should have had.

Her happiness is the most important thing.]

I'm a kitsune. Ah... unless you've studied Japanese culture that won't make much sense to you... A demon fox, albeit one inhabiting a human body for the last seventeen years.

[No offense taken, and Kurama doesn't seem to have any qualms discussing his nature. It's not something he brings up on a whim, but he doesn't shy away from it when he has no reason to hide.]