Phantom

"Oh no! It's Phantom! Not Fox anymore! She's trying to kill Paige, Sunny, Blair, Rox, Cindy, Lacey, and the Philippine government officials, even Duterte, including me! I can't let him be killed! Oh dear!"

--Su Ji-Hoon, The Assassin Phantom

Phantom is an assassin that tries to assassinate Paige, Sunny, Blair, Rox, Cindy, Lacey, and some Philippine government officials in the Philippines (like Rodrigo Duterte), including Su Ji-Hoon.