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"Waratchaō yo Boyfriend" (笑っちゃおうよ BOYFRIEND, Waratchaō yo Bōifurendo, Let's Laugh, Boyfriend) is the 11th single of the all-girl J-pop group Berryz Kobo, released on August 2, 2006.^{[1][failed verification]}

The single ranked 15th in the Oricon Weekly Singles Chart.

• Main vocalist: Momoko Tsugunaga, Miyabi Natsuyaki
• Minor Vocalist: Risako Sugaya
• Center: Risako Sugaya, Yurina Kumai and Chinami Tokunaga

1. "Waratchaō yo Boyfriend" (笑っちゃおうよ BOYFRIEND, Let's Laugh, Boyfriend)
   (Composition and Lyrics: Tsunku, Arrangement: Shunsuke Suzuki)
2. "Suhada Pichipichi" (素肌ピチピチ, Sparkling Skin)
   (Composition and Lyrics: Tsunku, Arrangement: Takahashi Yuichi)
3. "Waratchaō yo Boyfriend (Instrumental)" (笑っちゃおうよ BOYFRIEND (Instrumental))

1. "Waratchaō yo Boyfriend" (笑っちゃおうよ BOYFRIEND)
2. "Waratchaō yo Boyfriend (Dance Shot Ver.)" (笑っちゃおうよ BOYFRIEND (Dance Shot version))
3. "Making of" (メイキング映像)

• Profile at the Hello! Project official site

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