Various online communitiesare filled with discussions about aespa's Karina.

Following her dating news with actor Lee Jae Wook, Karina has been constantly at the center of discussion. While many netizens and fans are in support of Karina, a few fans have expressed anger and disappointment toward the idol.

Some Chinese fans even sent a protest truck to SM Entertainment, expressing their dissatisfaction over her public acknowledgment of her relationship with Lee Jae Wook.

Then, on March 5, Karina posted a handwritten apology letter on her Instagram. She wrote, "With the hope that some of these feelings can be conveyed, I decided to write this letter. Despite my concerns about causing further hurt, I write this because I wanted to convey my heartfelt apologies to the fans who have given me the warmest winter from the moment of my debut."

Following Karina's handwritten letter, Korean netizens have banded together to defend the idol and criticized the extreme fans who caused her to post the letter.

Korean netizens commented, "What's so wrong with dating someone? These people are so strange. They made her write an apology. They're overreacting," "I wonder if those who cause pain to celebrities they like just because they spent some money are true fans," "Wow, being a female idol is so hard. Need to write an apology over Kalguksu and now dating," "Karina is such a sincere person...she wrote a letter for her fans. Usually, some people just lay low for a while and then return to Bubble. But she really cared that her fans were hurt by this incident," "Apologizing because she's dating, what?" "Did she really need to write a handwritten apology?" "Why did she need to write an apology letter just for dating? That's ridiculous," and "She apologized so leave her alone."