Singer Kim Janghoon had a surprising meeting with Se7en to celebrate his new song release.

Kim Janghoon wrote on his me2day "I met someone who is very famous to celebrate my new song release. Guess who that is? Anyways, ‘A Good Day For Sunshine’...isn't it good?" and posted a photo also.

In that photo, Se7en and Kim Janghoon were putting arms around each other's shoulders. Especially Se7en was holding 'Good Day Sunshine' CD and was giving a thumb up. On the other hand, Kim Janghoon covering his face with a black hat was grabbing people's attention.

Se7en also wrote on his twitter that "What a pleasant surprise with Kim Janghoon!! Soon, Kim Janghoon's new single 'Good Day Sunshine' will be released! I am listening to this song and it's really good~ Good night people" and posted the same picture, showing their close friendship.

Internet users who saw the photo wrote "How kind of SEVEN for advertising Kim Janghoon's album," "They are all so adorable," and "It's good to see they are good friends."

Kim Janghoon released his digital single 'Good Day Sunshine' co-produced with singer Psy on June 12.

Photo: Kim Janghoon's Twitter