Fighting Zombies with Makise Kurisu in the Apocalypse

One day Yin Jiang went downstairs to look for food and met a red-haired girl who claimed to be Makise Kurisu. She said that the end of the world was coming and that she had traveled through time and space and invited Yin Jiang to fight zombies together. Yin Jiang smiled happily, thinking that this beautiful girl turned out to be two-dimensional and had delusions. She didn't look very smart at first glance, and she didn't know if she would go home if it rained. However, it snowed heavily that night, and the world was frozen from then on... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.