JAPANESE Kanjani 8 (関ジャニ∞) – Wahaha (ワッハッハー) ワッハッハー WAHHAHHAA “Wahaha” ワッハッハー 2008.03.12 Yokoyama Yu, Shibutani Subaru, Murakami Shingo, Maruyama Ryuuhei Yasuta Shota, Nishikido Ryo, Ookura Tadayoshi Lyrics/作詞:…