JKT48 represented by Aki Takajo and Haruka Nakagawa in concert AKB48 Unit Matsuri and AKB48 Request Hour Setlist Best 100 2013, which took place January 23 to January 27, 2013 in Tokyo Dome City Hall, Tokyo.
During the five-day concert that was broadcast live via YouTube, both participating performed songs from AKB48 and units thereof. Both sang "Heavy Rotation" with which all members of the group AKB48 cosplay. Takajo dressed parrots and monkeys dressed Nakagawa.