Because their fans won't let them be normal people, didn't some Jpop singer shave her head and apologize for having a boyfriend?
This actually wasn't her issue. She had rather successfully gotten through the girl group stage and was pretty successful.
Last year she got in an altercation with her ex-boyfriend who broke into her place started breaking stuff and attacking her. She scratched the fuck out of his face. Because South Korea has busted self-defense laws she got in a legal battle with him. All the while her name was being shredded in the media and she was fairly quiet about the whole matter. Then it comes out that her ex was blackmailing her with a sex-tape to try and keep her quiet. As it turns out South Korea also has dumb blackmailing laws. So the dude barely got in trouble. The whole thing kinda caused Hara's career to come to a halt.
She had attempted suicide earlier this year. The media response was sadly expected (a lot of people accusing her of being an attention whore). Then one of her best friends killed herself.
Yeah, it's really tragic what happened to Goo Hara. Her ex is a piece of shit. The media and knetz were awful too.