Japan has the second-largest music industry in the world, so it’s no surprise that many Korean artists spend a lot of their time promoting in Japan as well. Fun collaborations take place and friendships form. Fans get to relish in these fandom collisions in the form of music, and, in the case of this post, photos!

1. BoA and Crystal Kay

In 2009, Boa was featured on Crystal Kay’s “Girlfriend.” BoA posted up this shot in 2011 when the two re-united.


2. Koda Kumi and TVXQ

In 2007, Koda Kumi released a track called “Last Angel” that featured the original lineup of TVXQ.


3. 2NE1 and Kyary Pamyu Pamyu

Kyary Pamyu Pamyu posted this backstage photo after 2NE1’s concert NOLZA in Japan.



4. Da-iCE and AOA

AOA’s label, FNC Music Japan, tweeted this meeting where AOA and Da-iCE display each other’s albums.



5. INORAN and BtoB

Luna Sea’s guitarist, Inoran, posted this photo on his Facebook when he met BtoB at TOYOSU PIT. This would not be their last encounter. “2Lime S” from INORAN’s latest album Beautiful Now features the rapper line of BtoB: Min Hyuk, Peniel, and Il Hoon. 


6. Key and Mademoiselle Yulia

SHINee’s Key with Mademoiselle Yulia at the Joyrich store opening in Seoul.


7. Jaejoong and Tomohisa Yamashita

JYJ’s Jaejoong tweeted this photo on March 15, 2013 when Tomohisa Yamashita, also known as, “Yamapi,” visited Jaejoong in Korea.


8. F.T. Island and One OK Rock

One of my favorite rock bromances! Lee Hong Ki shared this photo of F.T. Island with his pals in One OK Rock.


9. Da-iCE and B1A4

This past August, the two male groups performed at KAN FUN Live in Japan.


10. BIGBANG and Kyary Pamyu Pamyu

In 2012, Kyary Pamyu Pamyu posted up this photo of her with BIGBANG on her Twitter account along with a photo of her signed BIGBANG CD.



11. Namie Amuro and After School

After School is featured on Namie Amuro’s “Make it Happen” in 2011. This song is part of Amuro’s Checkmate! album, which featured only her collaborations with other musicians between 2003 and 2011.



12. Perfume and TVXQ

Changmin and Yunho backstage of Music Japan with the beautiful women of Perfume.


13. U-KISS and Daichi Miura

U-KISS and Daichi Miura took this picture in 2012 when both acts performed at a-nation in Japan. 


14. Trax and Yoshiki

I’m throwing this last one back to the year 2004! X-Japan’s Yoshiki produced Trax’s single “Scorpio.” On that same single, there is a cover of X-Japan’s “Tears” by the original lineup of the SM rock band. Some of you may recognize the blonde member “Rose,” as that is actor No Min Woo!


What was your favorite photo? 


Can a perfectionist personal trainer whip a workaholic lawyer’s body — and heart — back into shape? Find out with Shin Min Ah and So Ji Sub’s new series Oh My Venus: