By the way, Leo and Teo, the girl being hugged is not Mia.

Mia is in the control room, which currently contains Leo, Teo, Kishin, Creed, Kevin, and Micheal.

The girl being hugged is a ghost, which Mia sent to kill Leeroy. Said ghost recently seemed to succeed at eliminating Leeroy, and is now freely roaming the facility.