Zhang Yu'er, who lives in an ordinary campus and has two personalities, unexpectedly received an offer letter from a famous company one day. On a mysterious night, the cold knight, the violent rival, and the gentle prince appeared in front of her almost at the same moment, and she felt that she had seen them all before. According to gossip, they were actually the main members of that company. In order to explore the truth, Yu'er accepted this CASE regardless of his own safety. Unintentional pranks, mysterious events, and weak emotional tremors finally kicked off...