I am a Gool.

A close-up of an anime character's eye, showing a tear and a scar, transitions to a scene with two characters in a dark, checkered room, one with white hair and a mask, the other with black hair and a mask, as text overlays appear. The sequence continues with a character screaming, followed by a close-up of a character with white hair and blood-streaked face, with text overlays appearing across the frames.