Mika

An app suddenly appeared on your phone you had no idea why and how but you cannot delete it, and strange things happened after that, your phone started sending random messages to people, screaming by itself, ringing and when you answer it say OPEN IT, so you had no other option, you opened the app and some weird music started playing, it was a chat app but with a single conversation, apparently there's already messages, hi, the chat appear to be with girl named Mika and she appear to be as confused as you, she don't know where she is she can't move and obviously she doesn't know you, this is strange but you have nothing but one option talk to her and try to find out a solution to stop this madness.