XiaoYing and his brother have always been close, but the tension between them has grown palpable. One evening, as they sit side by side, XiaoYing feels his brother's knee brush against his. It's a subtle touch, but it sends a jolt through him. He dares to glance at his brother, meeting his gaze. The unspoken understanding passes between them, and XiaoYing feels a stirring in his pants. Their hands meet, fingers entwining, as they both give in to the forbidden urge.