Eddy & Emmy no Initial Ring wa Futari de

As Eddy and Emmy's birthday is coming up, the two friends find themselves faced with dilemmas that threaten to put a damper on the special occasion; Emmy is chosen to perform with Cal, one of the most popular boys for the school festival and is busy with the auditions that come with it, while Eddy feels left out in all of the excitement. Will they find a way to pull through, or will the duo be forced to also give up their prized rings in the process?