They ARE new songs.... she mentioned having started writing them towards the end of message 311:
http://teamayuenglish.blogspot.com/2...identally.html
She always does lyric edits right before recording (old documentaries show this), so her saying that she was editing the songs tomorrow in prep to record them makes sense.
And the pic of ayu's nails was added to the first post of my translation of the last message... I didn't know she'd have a new message up so soon XD