La PomPon‘s 3rd single Nazo / Yada! Iyada! Yada! ~Sweet Teens ver.~ (謎 / ヤダ！嫌だ！ヤダ！～Sweet Teens ver.～) is a doubla A-side. Il will be released on September 16.
This is the new opening theme song for the anime Detective Conan.
The MV has been revealed.
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