Xiaoyu, who received an orthodox education since childhood, has a mother who hopes that her daughter will succeed, and a father who is incompetent. When he met the high-spirited senior, Xiaoyu felt his heart pounding. But a bloody plot happens here. The senior who he has a crush on is the boyfriend of Xiaoyu's good friend. Xiaoyu can't take the crucial step at this time. At this moment, the unruly Bai Yang appears. Can he win Xiaoyu's favor?