maybe some new fans won't have heard about the things that happened to groups like DBSK at the height of their popularity. let me tell you: they had people breaking into their dorms on the regular, touching, kissing, and groping them in their sleep, stealing their underwear, leaving messages written in menstrual blood. they had to change their phone numbers with almost monthly regularity because their personal contact information was being distributed. they had their social security numbers and passport details copied down and spread. Yunho at one point was quite literally poisoned by a sasaeng fan, and spent some time in the hospital afterwards. THAT'S the kind of thing sasaengs are capable of