Castiel moaned at the bite, pulling him closer with a soft whine. "Told you...I'm yours. This is where I belong." He said, tilting his head slightly and blinking at him. He shivered, eyes widening as he pressed Dean back against the wall.

His eyes changed again, going back to the marblized look as his fingers brushed up the demon's chest. He leaned in, kissing down his jaw and neck slowly, only wanting to serve the demon he belonged to now.