Book excerpt: The female student's screams were like a layer of mist. The scene before my eyes gradually deformed and disappeared, sinking into a patch of darkness. The body refused to listen and kept moving forward. When he collapsed, his hand accidentally touched something on the desk, only hearing a very crisp "bang". The glass thermos fell to pieces on the ground, inside there was about half a bottle of water left and a few bright red goji berries also crushed, looking like a scene of bloodshed.