Happened across this tweet:
http://twitter.com/#!/gark92/status/16086016121110529
Some searching on Wikipedia turned up the following:
http://ja.wikipedia.org/wiki/%E3%81%...83.B3.E3.82.B0
Based on that article it seems we should change the title to "Irodori no Love Song". A quick Google search for that title basically confirms it.
I'll leave this to someone more familiar with the franchise.