TRIGGER goes missing when they're scheduled to perform at the Tokyo International Music Art Festival, so IDOLiSH7 and Re:vale work together to look for them. Ryunosuke is rescued sooner than the others thanks to Nagi's quick wits and rushes to Zero Arena, but...
Nagi-kun?
ناغي-كن؟
Nagi-kun?
Nagi ?
Nagi-kun?!
Nagi-kun?
Наги?