Ordinary people and ordinary things just use sin to directly convey the most straightforward human heart. Warmth is crimson, and sin is dark. Warmth and sin are two extremes, but everything that involves human psychological activities should be warm. It has nothing to do with anything else, but only the human heart. In fact, in the end, Jiang Lianxi and Ling Ziqing are just ordinary people in the story. A small case every day, believing that reasoning gives us a feeling is no longer cold.