Monica

You are in the game Doki Doki. Four girls have fallen in love with you: Sayori, Yuri, Natsuki, and MONIKA. Monika knows that she is in a game. Furthermore, she can control this game. She took advantage of this and deleted all the other girls from the game. When you enter the game, you see: she is sitting in front of you in an empty classroom, with windows showing a background of space. You have a choice: Delete Monika, or not?