D'Artagnyan decides she's not going to be beaten by Shion and starts to train.  Shion sees this and starts to train alongside her.
Soon after, they catch word about a music festival called MSonic!  and decide to team up and try out.  They're right in the middle of their audition, when suddenly...
I knew that someday...
Eines Tages werde auch ich …
Sabía que algún día…
Sabía que algún día…
Sans m’en apercevoir,
Mi convinsi che un giorno...
Sabia que algum dia...