The team sets out to deal with security robots turned Phantom. But it turns out that Minase Koito was already there, fighting the haywire robots with her beautiful voice.
A pair of Phantoms terrify people as they try to cross a bridge. The team goes to investigate, and Mai begins to remember something odd about the place.
The team gets recruited to perform in a play about a Phantom in medieval Japan. As they're rehearsing, Koito notices the presence of a real Phantom nearby.