Kokoro no Hane (心の羽根) is the debut single released by the the AKB48 subunit Team Dragon from AKB48. It was released in eleven versions: seven limited CD+DVD editions for each member, one limited CD+DVD and one regular CD-only DRAGON BALL KAI edition, and one limited CD+DVD and one regular CD-only Team Dragon edition. The title track was used as the second ending theme for the anime DRAGON BALL KAI.
