On the last day of 2022, news spread in the Korean entertainment industry that IU and Lee Jong-suk were in love. Korean entertainment media D agency reported on the 31st that Lee Jong-suk and IU held a Christmas date at a luxury resort in Nagoya, Japan. In an interview with D agency, an acquaintance close to the two hinted that their family members have acknowledged their relationship. It is reported that the relationship between the two began in August 2012 when they served as the MC of SBS " Popular Song ".

On the same day, Lee Jong Suk's agency admitted the fact that IU and Lee Jong Suk were dating, and said: "The relationship between the two has recently developed from colleagues to lovers, and they are continuing to meet seriously." Later, singer and actor IU also admitted that she was dating the actor. On the 31st, IU's agency told many Korean media: "IU and Lee Jong-suk have evolved from long-term colleagues to lovers."
The relationship between the two was made public because actor Lee Jong-suk held the 2022 MBC Building in Sangam-dong, Seoul on the 30th. On the day he won the grand prize at the MBC Drama Awards, Lee Jong Suk said in his acceptance speech: "After completing my military service, I had a lot of worries, fears, and pains, but at that time, the person who gave me the direction of humanity and positive thoughts, I really have something to say to her, thank you very much for always being so cool, and I want to tell her that I have liked her for a long time and I respect her very much." At the MBC Drama Awards, he was suspected of publicly confessing to someone. Subsequently, the brokerage companies of both parties confirmed it.

After Lee Jong Suk and singer IU admitted that they were dating, the two celebrities' relationship announcements continued to arouse heated discussions, and the video of the two taking a photo together in October also attracted much attention. On the 31st, after the news of the two dating broke out, a video titled Lee Jong Suk's farewell to IU was posted on the Korean online community, which attracted people's attention.

The video shows singer IU leaving the wedding hall with her bodyguards. Behind IU, actor Lee Jong Suk appeared in a black suit to see him off. Lee Jong Suk lightly touched IU's shoulder. IU turned around and waved with a bright face, and Lee Jong Suk also smiled and nodded. The video was taken at Lee Jong Suk's brother's wedding on October 2. IU attended the wedding and gave a congratulatory message. Wearing a black skirt and beige top, IU enthusiastically sang "What Do You Mean" and received bursts of applause from the guests.

On the other hand, Lee Jong Suk and IU met 10 years ago in 2012, when they served as MCs for the SBS music program "Inkigayo". Since then, the two have continued to be friends as colleagues in the entertainment industry, but recently they have developed into lovers. Lee Jong Suk is 34 years old and IU is 30 years old. There is a 4-year age difference between them.
On the last day of 2022, romance rumors about actor Lee Jong Suk and actor and singer IU broke out. Subsequently, on the major online communities of SNS and , the video of the two people from 10 years ago was picked up and re-examined by Korean netizens. The video is a clip of the two hosting SBS's "Inkigayo" MC together 10 years ago.

In 2012, Lee Jong Suk and IU, who were close to being newcomers, hosted "Inkigayo" as MCs for half a year. The refreshing two showed extraordinary chemistry when exchanging tiki-taka on the MC seats of Inkigayo. In early December 2012, Lee Jong Suk resigned as the MC of "Inkigayo" to concentrate on his acting career.
When the last episode of Lee Jong Suk's "Inkigayo" was broadcast, IU expressed regret: "Inkigayo's handsome MC Jong Suk, my partner Jong Suk will leave Inkigayo today." Then Lee Jong Suk said, "I want to see IU, what should I do... Can I come see IU in "Inkigayo"?", showing an extraordinary friendship.
On the day the relationship broke out, this video was once again hotly discussed by Korean netizens. They left messages saying: "It seems that the two of them seemed very close at the time, with sweet eyes and mutual affection", "They have known each other for a long time", "It's really like a play."At that time, they were just work partners and brother and sister...", "They said they were sorry for each other, but in fact they were not sorry at all, so it was really funny", "Wow, it's great that we have maintained a close relationship since then", "We have known each other for 10 years, and they actually became lovers", "We had a quarrel at that time, I didn't expect that kind of relationship, haha", "The two of them really get along well" and other blessing views.


In addition, after rumors of a relationship between the two spread, Korean netizens also discovered that Lee Jong Suk mentioned IU in fan meetings on the online community , the weddings of his younger siblings, social media, and photo interviews.
In past interviews, Lee Jong Suk recommended IU's "Epilogue" and "IU's Sea" on Instagram. In an interview video with Korea Elle, he said, "It would be great if you are a wise, determined person, and most importantly, a cute person" and recommended Jaurim's "Always Forever" and IU's "Hibernation" as "frequently listened songs."

Model-turned-actor Lee Jong Suk made his debut in the 2010 TV series "Prosecutor Princess". He has starred in "Strike Back", "School2013", "Hear Your Voice", "Doctor Strange" and "Pinocchio". He won the grand prize at the 2022 MBC Drama Awards for his drama "Big Mouth," which ended last September. He has also appeared in films such as "Korea", "Meditation", "No Breathing", "VIP", "witch2" and "Decibel".
IU debuted as a singer in 2008 and became popular with many hit songs such as "Good Day", "You and I", and "Palette". Since starring in the TV series "Dream High" in 2011, he has appeared in popular movies such as "The Producer", " Hotel Del Luna ", "My Sir", and the movie "The Agent", and is currently active as an actor and singer.