I think it makes sense that it's with TJ. She can't keep going off and having affairs with other musicians. After all, she nearly jumped ship after being wooed by Mummy D and Ikeda Takafumi last year.
Allegedly it's an english song?
http://www.nikkansports.com/entertai...30-647511.html
I'm expecting Phase 2 Mittei Monogatari. =|