Yeah, Black is both alive and not depending on how you consider it. Black thinks. He's rather intelligent and can make its own decisions.

[Shiro can't help a faint chuckle as Black spotted the new arrival in the video. The lion tilted its head to the side, assessing the dragon that had just appeared on the other side. After a moment, Black got up, moving to closer to the phone in Shiro's outstretched hand before sitting down again, letting out an audible rumbling sound]