6th Otakebi Album

6th Otakebi Album (６ｔｈ 雄叫びアルバム, 6th War Cry Album) is the sixth studio album by J-pop group Berryz Koubou. It was released on March 31, 2010 on the Piccolo Town label, and peaked at #12 on the weekly Oricon chart. The album was released in two editions: a normal edition and a limited edition. The first pressing of the normal edition contained a bonus photocard, while the limited edition came with a special DVD containing two versions of the PV for "Tomodachi wa Tomodachi Nanda!", as well as additional footage. Both editions also contained a ticket to the album's release event. The album features seven of the group's previous singles, as well as five original tracks.

The album's theme is "not a child, but not yet an adult".

CD

 * 1) Otakebi Boy WAO! (雄叫びボーイ WAO!, War Cry Boy WAO!)
 * 2) Rival (ライバル)
 * 3) Ryuusei Boy (流星ボーイ, Falling Star Boy)
 * 4) Ai ni wa Ai Desho? ((愛には 愛でしょ, Love For Love, Right?, performed by Tsugunaga Momoko and Natsuyaki Miyabi)
 * 5) Seishun Bus Guide (青春バスガイド, Youthful Bus Guide)
 * 6) Kimi no Tomodachi (君の友達, Your Friends)
 * 7) Grand Demo Rouka Demo Medatsu Kimi (グランドでも廊下でも目立つ君, On The Ground, On The Hallway, You Stand Out, performed by Sudou Maasa and Kumai Yurina)
 * 8) Tomodachi wa Tomodachi Nanda! (友達は友達なんだ!, A Friend Is a Friend!)
 * 9) Kibou no Yoru (希望の夜, Hopeful Night)
 * 10) Dakishimete Dakishimete (抱きしめて 抱きしめて, Hold Me, Hold Me)
 * 11) Yakimochi wo Kudasai! (ヤキモチをください！, Give Me Your Jealousy!, performed by Shimizu Saki, Tokunaga Chinami and Sugaya Risako)
 * 12) Watashi no Mirai no Danna-sama (私の未来のだんな様, My Future Husband)

DVD

 * 1) Tomodachi wa Tomodachi Nanda! (PV)
 * 2) Tomodachi wa Tomodachi Nanda! (Close-up Ver.)
 * 3) Tomodachi wa Tomodachi Nanda! (Making Of)" (友達は友達なんだ！ （メイキング映像）)