Episode was good, IMO. Didn't really see these two characters interacting like that, despite their close interaction hinted every time in the OP. So does life force get regenerated, or does one have a finite amount that just gets depleted?

Also:

[Nipponsei] Nabari no Ou OP Single - CRAWL [VELTPUNCH].zip
[Nipponsei] Nabari no Ou ED Single - HIKARI [ELISA].zip