Deduction, Derailment

On his eighteenth birthday, Cen Mu was lying in bed in a daze, when a voice sounded in his mind: "A chance to participate in a game, would you accept it?" "What?" She thought she was hearing something, but then she felt a strong sense of dizziness. When I woke up again, in a dark room, a screen lit up in front of me, which said "Welcome dear performer, the performance is about to begin, are you ready?" Genius slightly crazy girl × loaded with smart man Note: There is cp, micro group image The male and female protagonists are not perfect characters If there are any logical loopholes, please point them out Beginner authors, please proceed with caution