If We Could Go Back to That Day.Rui reflects on her recent past, how her good looks got her through an audition to star in Mystery Kiss and how she kept feeling inferior despite being appointed the leader by Yamamoto, due to Yuki being better than her in various other areas. One day, after demoing for another producer, the man decided to make Yuki the leader. Rui called Yuki to meet with her in Yamamoto's office to convince her to relinquish the lead spot, or kill her if she refused, but she arrived to find Yuki already dead. Rui and Yamamoto worked with Yano to dump Yuki's body in the harbor and replace her with another girl who looked similar, but Yuki's body was found in the present...