"Vampire wa Kakukatariki" was written by Shigeaki Kato, and composed and arranged by Ryosuke Nakanishi.
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"Chankapāna" was released on July 18, 2012, in six editions: a CD-only edition, which includes "Full Swing"; limited editions N, E, W, and S, which include Keiichiro Koyama's solo "Starry", Shigeaki Kato's solo "Vampire wa Kakukatariki" and the long version music video "Chankapāna" and the music video making, Takahisa Masuda's solo "PeekaBoo...", and Yuya Tegoshi's solo "Addict", respectively; a limited box set edition which includes all four solo songs by the members.