“It’s really fascinating: by coincidence, I always end up reading a book connected to our next album. After ‘EASY’ wrapped up and before we started promoting ‘CRAZY,’ I read a book called *The Madman* by Lee Hyuk-jin. The protagonist was literally a real madman. (Laughs.) So I read it thinking, ‘CRAZY—this person is really CRAZY.’ It was a book about how you can go that far when you become obsessed with something. So this book came to mind when we were promoting ‘CRAZY’ and then ‘HOT.’”