After their mothers passing, Pax slowly became more distant from everyone (Including his sister, Nyx). Sometime he wouldn't even recognize his own sister. Nyx was always worried for Pax.
But Pax is rarely worried for Nyx, He may be overprotective sometimes of his own sister. But he also feels like he is protecting a complete stranger, I wonder why he suddenly became this way.
-INFO-
Nyx; 15 year old - Demigirl
Pax; 16 year old - Asexual