Release date and price taken from:
http://plusd.itmedia.co.jp/games/gsn...27/news10.html
Fujio Takano's alleged plagiarism is written on
this site (the entry for 5th June), among others. But you can see for yourself:
Youtube video for "close my love"
Youtube preview of Angelic Serenade
For more plagiarism drama, see the entry for the
Marginal Sound Track.