A young man who looks as gentle as jade but is actually very dark and extreme in his heart, whose methods are cruel and bloody, whose personality is gloomy and twisted, who is extremely perverted and insecure, meets a sunny, soft-hearted, laughing (actually low-laughing) little cashier who loves to play games, has a loving heart and occasionally goes offline. In an accidental encounter, a big wolf dog meets a little milk dog, and the two parallel lines suddenly intersect, what will happen?