Translation taken from here. Credit goes to Ogawaa.
So now gramps is basically a walking Kotatsu...
Updated
You can leave it to this cat!It needs improvementBut it also makes master completely useless, huh.Aaahhh...Not only does it warm her,I don't mind.THEN I'LL TOUCH IT!GRAMPS, WHAT'S THAT FLUFFY FLUFFY THING!?WOAH!CAN I TOUCH IT!?FLU-FFYWhat's this thing....
So good...This is cat's specially made mantle!If you hug it you'll warm up in no time!So, you need something that can warm up master in cold places?FluffFluff