The Brightest Star in the Dark Night Chii has been doing really well lately! Her ranking is rising steadily, and she is declared the next winner of the Aipri Grand Prix. However, Tsumugi is still ranked number one. The Primo friends are excited when Chii sends Tsumugi a request. However, Chi says she doesn't remember sending a request to Tsumugi. While Chi is wondering what's going on, she hears a mysterious voice from behind her. "Are you okay with the way things are now?" "You wanted to be number one, didn't you?" But who is the voice...? Then, when Tsumugi performs live, something happens...