Hey! Say! 7

 (ヘイセイセブン) is currently a four-member Hey! Say! JUMP sub-unit originally formed with five members on April 3, 2007.

They were a temporary group prior to the formation of Hey! Say! JUMP on September 24, 2007.

Current Members

 * Yamada Ryosuke (山田涼介; Red ) (Founding member)
 * Nakajima Yuto (中島裕翔; Light Blue ) (Founding member)
 * Chinen Yuri (知念侑李; Pink ) (Founding member)
 * Okamoto Keito (岡本圭人; Green ) (Joined September 24, 2007) (On a break due to studying abroad since September 2018)

Former Members

 * Takaki Yuya (髙木雄也) (Founding member; left September 24, 2007)
 * Arioka Daiki (有岡大貴) (Founding member; left September 24, 2007)
 * Morimoto Ryutaro (森本龍太郎) (Joined September 24, 2007; suspended June 28, 2011)

Singles

 * 1) [2007.08.01] Hey! Say!

Original Songs

 * FATALISM
 * Salsa Iina Iine (サルサいいないいね; I Don't Want to Dance Salsa)
 * Brave Story
 * GET!!
 * Iin Janai (いいんじゃない; Why Not)
 * Utautau (ウタウタウ; Singing a Song)
 * Hana Egao (花 えがお; Flower Smile)
 * Nounai☆Dance (脳内☆Dance; Brain☆Dance)
 * Kagayaki Days (輝きデイズ; Shine Days)
 * Ganbarettsugo! (ガンバレッツゴー！; Go For It, Let's Go!)
 * You Gotta More (ユー・ガッタ・モール)
 * Wonderland Train (ワンダーランド・トレイン)
 * Just For You
 * Oh! My Jelly! ~Bokura wa OK~ (Oh! My Jelly! ～僕らはOK～; Oh! My Jelly! ~We are OK~)
 * Tada Mae e (ただ前へ; Just Forward)
 * KAZEKAORU
 * Pearly Monster (パーリーモンスター)
 * Sweet Liar
 * Yancha na Hero (やんちゃなヒーロー; A Mischievous Hero)
 * Virtual Butterfly

Trivia

 * Their name means that they're all born in heisei period (Hey! Say!) and the group was formed in 2007 (7).