B1A4 showed off their immense popular in Japan through a recent photo that Baro uploaded onto his Instagram on October 1.

He wrote, "I love you, Osaka.  Sleep well."  The picture shows all the members of B1A4 in front of thousands of excited fans, all forming hearts with their arms to show an immense idol-fan love!

SEE ALSO: Kim Soo Hyun's side faces backlash over using the old Korean age system while denying relationship with late Kim Sae Ron

Currently, B1A4 is on a global tour entitled 'Road Trip' to meet up with fans all over the world!  As a matter of fact, they will be in the United States for four separate performances. They'll be at the Best Buy Theater in New York on October 3, Rosemont Theatre in Illinois on October 5, Verizon Theatre in Texas on October 8, and The Warfield in California on October 11.  Buy tickets here!

Will you be catching them on their 'road trip' around the globe?