 is Kotoko's tenth maxi single under Geneon Entertainment, released on December 19, 2007. The title track was used as the theme song for the Japanese science fiction thriller movie of the same title, launched in Japan in 2008, starring Takuya Ishida and Mitsuki Tanimura. "Real onigokko" means "real tag game" in English. The single peaked at the #15 position in the Oricon charts selling 7,588 units in its first week of release.
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