Unsolvable Hypnosis

It was the first time Bob saw Nyla like this. In Bob's impression, Nyla was always full of energy. "What happened? Is it about Ceres?" Bob found a café in the airport waiting room and ordered Nyla a cup of coffee. Nyla held her head and sighed. "I really made a big trouble this time!" "It was about Ceres's hypnosis?" Nyla nodded solemnly, "It was not easy for me to find my teacher. I told him about Ceres, but he told me that even he could not solve it." "Isn't your teacher the world's top hypnotist? He is unique in the world. How can he still..." "I'm not lying! My teacher is indeed the world's top hypnotist, the world's strongest hypnotist." After Nyla finished speaking, her tone became low again, "He said that hypnosis could not be abused. Especially there must not be two more people who hypnotize one person at the same time. If it has appeared, then this person is very likely to be..." "What will happen? Tell me!" Bob was anxious that Nyla stopped at the most important part. "This p