Diamond Perfume (ダイヤモンド・ パフューム) is an organization built to chase characters with high ranks during the Character Poll Arc. Its goal was to have the highest rank among all characters. Though the organization was eliminated during the Character Poll Arc, they reappeared as a background band for Terakado Tsuu during the HDZ48 Arc They are supposed to spoof the real japanese pop girl group Perfume (パフューム).