Korean television personality Lee Hye-sung has opened up about her painful experience of being bullied during her school years, drawing renewed attention to similar revelations by celebrities including actor Park Seo-joon, singer Sung Si-kyung and travel YouTuber KwakTube. On Friday, Lee discussed the bestselling self-help book "The Courage to Be Disliked" on her YouTube channel, Lee Hye-sung's 1% Book Club, offering advice to people struggling with school bullying and social exclusion. "If you think school is the only community where you belong, it can be incredibly painful when you're bullied or can't make friends," Lee said. "I've been through it myself." Reflecting on her middle school years, Lee said she had struggled to see beyond the difficult circumstances she faced at the time. "When I was younger, in middle school, I couldn't think that way. There wasn't an adult around who could tell me something like that, either," she said. "That's why the situation was so incredibly painful and difficult." Her candid account has brought renewed attention to other Korean celebrities who have