Artist k. k usako
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(TOP OF THE STAGE 14) [Nounaihokan (K. K usako)] Top Secret (IDOLiSH7)
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(TOP OF THE STAGE 13) [Nounaihokan (K. K usako)] Ryunosuke Triangle (IDOLiSH7)
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(TOP OF THE STAGE 12) [Nounaihokan (K. K usako)] Docchi mo Erabenai (IDOLiSH7)
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(TOP OF THE SUPER STAGE 2018) [Nounaihokan (K. K usako)] Nareru Made Tokkun Shiyouze (IDOLiSH7)
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Seichou Kiroku
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Kakehiki
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Kotaete Ryuu! Kimi wa Darenomono?
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Nakanaori wa Karada Kara
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Rei no Heya de Touhyou Sareta 138 dake Biyaku Iri no Bin o Sannin ni Nomaseru Erobon 2
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Rei no Heya ni Tojikomerareta
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Mousou Captain Matsuo Toshinosuke no Baai