Skinner Box

※ This story is 100% fictional and has no relation to any real people, places, or organizations. ※ It may contain elements that suit specific tastes. ※ Skinner Box: A psychological experimental theory proving that humans are beings capable of taking active behavior to receive a reward. “It seems alright, so do you want to see this first?” The familiar device held out before my eyes was Yu Han-jun’s phone. As I tapped the message icon, a video file—rather than text—appeared from an unknown number. A chill raced down my spine. To avoid showing my trembling hands, I deliberately moved slowly to touch the screen. The moment the video began to play, a loud sound echoed. “Ah, ngh.” The pr...