Her�Japanese�"Heaven" is going to be released in Japan on November 6th, and she had her debut showcase at Shibuya's O-EAST. For about an hour, she sang "Heaven", "I'll Show You", "U&I", "Ice Flower", and much more, ending the song with her Japanese version of Heaven.�

SEE ALSO: Former Lovelyz member Lee Mi Joo reportedly dating soccer player Song Bum Keun

About 1,300 fans came to see Ailee, singing along to all her songs. Her Japanese management agency Good Day Agency�said, "We originally planned for the event to hold 1,000 people. But there were so many fans and experts who couldn't get in, and Ailee had more interest than we imagined. After the concert, both fans and experts were amazed at her stage."

She's already going on various shows, radios, and held interviews to promote herself in Japan. From November 4th to November 10th, she'll be going around in Fukuoka, Sapporo, Osaka, Nagoya, and Tokyo to have event performances.

Her single "Heaven" will include the Japanese version of "Heaven", as well as a new song "Starlight".