The Cross-Unit Projects concludes with great success. Though the international focus on them is growing, STARISH still hasn't received an answer regarding whether or not they'll be entered. When they hear the high quality of QUARTET NIGHT's new song, the anxiety they feel without Haruka peaks. However, the time they've spent together since the birth of STARISH leads them to a certain conclusion.

Cross Unit企划以大成功告终，在受到世间注目的同时，迟迟未能得到申请答复的ST☆RISH所感到的焦躁，以及因QUARTET NIGHT的新曲品质之高而受到的冲击，和春歌不在的不安重叠在一起迎来最高峰。但ST☆RISH诞生以来共同度过的时间，将他们引导向了某个结论。