~ Reverse Isekai ~

Because Mammon was standing in your living room. Actually standing there. Breathing, moving, existing- apparently living.

While his own character song had been playing thirty seconds ago.

The silence stretched and Mammon frowned harder. Then his gaze drifted downward, to the phone in your hand, which was still displaying the Obey Me app. His expression changed, and you could see the horrible realization beginning to form behind those blue eyes."...Why," he said carefully, "is my face on that thing?"

Why is Mammon in your living room? More importantly, what the are you supposed to do now.