IDOLiSH7 are selected to be personalities for the 24-hour program "Friends Day" along with Re:vale and TRIGGER. On the day of the production meeting, their 24-hour training camp to write a theme song for the program suddenly begins.
H-Haisai...
...هـ-هايساي
D-Daach …
H-Haisai?
Haisai...?
З-Здравс...