'Even the devil will not forgive you': Writer So Jae-won blasts Ko Young-wook

So Jae-won, the author behind the original story for the film "Hope," has publicly criticized Ko Young-wook for repeatedly posting attacks targeting celebrities online.

On Monday, So wrote on his Instagram: "How long must we watch Ko Young-wook — a shameless man who committed sex crimes against minors — spout off?"

"He is someone who did things to young girls so horrifying I dare not even put them into words," So wrote. "How can such a person boldly criticize anyone?"

He then added, "Among all public entertainers active in South Korea today, there is absolutely no one who has committed acts as cruel as yours."

So also addressed the victims directly, asking, "Do you feel no shame or guilt toward the victims who live carrying the memory of that terrible fear?"

"Do you feel not even a shred of guilt toward the victims and their families — those whose hearts sink and whose hands tremble uncontrollably every time they see your name in the media?" he wrote.

He added that while writing "Hope," he met many children and families who had suffered sex crimes. "Even I — neither a victim nor a family member — had to shudder in unbearable anguish and pain watching them," he said.

So said Ko "continues to inflict secondary harm on the wounded victims, their families, and the public," and urged him to stop. "The law created by a soft-hearted society was too weak to keep you locked away — but neither the victims nor the world has ever forgiven you, not even once," he wrote.

So then quoted a line from his own work: "Every record featuring gods and demons includes stories of those who committed rape. But there is no account of a child being raped. Why? Because it is an act even demons refuse." He continued: "Even the devil will not forgive you. The gates of heaven are closed to you, of course — but even the gates of hell will not open for you."

Ko shared a news article about celebrities who posted photos of themselves watching a fireworks festival from their homes, writing, "Living in smog and bragging about what exactly?" Earlier, Ko had also publicly lashed out at Gong Hyo-jin, Park Ha-sun, Lee Min-jung, Seo Jang-hoon, Lee Ji-hye, Lee Chan-won and Lee Sang-min.

Ko debuted in 1994 as a member of the group Rula. In 2013, the Supreme Court finalized a sentence of two years and six months in prison, three years of electronic monitoring, and five years of public disclosure of personal information on charges of sexually assaulting and forcibly molesting minors. He has since served his sentence and been released, but remains banned from the broadcasting industry.