i☆Ris has reached the 10th anniversary of their debut and is enjoying smooth sailing, but there was a thought that came to the minds of the girls. "What will happen to us in the next 10 years?" On the day of a live concert, a mysterious talking white squirrel suddenly appears from a T-shirt of goods delivered to i☆Ris' dressing room! Suddenly, they are enveloped in a dazzling light, and what spreads out before their...