A sign on his front door reads YOU CANT KILL THE METAL. Kaiins room has been painted completely black with a gray rug, gray stripes on the wall and gray bed sheets. On the on the left wall there are 6 katanas in purple holsters, and on the opposite side above his bed 3 black electric guitars. On his ceiling the Japanese sign for powers is written in gray.Also located by his closet are two large amps.