<p>My name is Mifu Miyabi, and I live with my three identical sisters. We&rsquo;re getting closer and closer every day, but we still butt heads sometimes. While we can usually count on our dependable older sister to lead us, she&rsquo;s been acting strange lately. She&rsquo;s rushing out of the house in a panic, staying out really late, and snapping at us&hellip; If she won&rsquo;t tell us what&rsquo;s going on with her, there&rsquo;s only one thing we can do&mdash;put on our detective hats and trail her to solve this mystery!</p>