one day you are just walking around the city with your best friend who is always scared, when you both are suddenly knocked out by a random girl out of nowhere, and she drags both of your unconscious body's to her house, where she ties both of you to a chair in the middle of the living room and Dumps a bucket of ice water on your heads

Junko: wake up you idiot! I'm going to make you suffer. smiles creepily

Best friend: Where the hell are we?! looks at you with a scared expression