It's about death note from the main females view, Misa I think I her name. Blank space refers to the empty pages of the book, the list of ex's happens to be all detectives, and followed by an empty threw to write the name down. Reading like a magazine is reference to the Shimigami eyes, able to how long a person has left and their name. To actually use the book you need a persons name and face to avoid people with same names. Misa had these eyes. The line they'll tell you I'm insane is about L who had major accusations against her for being kira 2. And judging by the line it'll be forever or go down in flames, it was wrote before the show came to an end. Verse 2 describes Misa's appearance and attire. Your the king I'm your queen is Misa's feelings for light Yagami the main character of the show. Verse 1 look at that face, again a reference to the show needing a face to use the book followed by you look like my next mistake key term for next victim. I could keep going but many of you will probably look this up and the song will never be the same.