Name: Chinen Yuuri. (His parents called him Yuuri because they want a name sound both like a girl and a boy. Also, his mom admires Oozawa Yuuri)
Nick Names: Chinen, Chii (some called him Chi because it sounds close to Chinen)
Birthdate: November 30th, 1993
Profession: Singer, Actor
Birthplace: Hamamatsu City, Shizuoka Prefecture, Japan
Height: 150cm (4'11)
Weight: 42kg (94lbs)
Blood Type: AB
Favourite Foods: Gyoza and Cucumber
Disliked Foods: Mushrooms, Celery, Green Peppers, Shellfish and Eggplant.
Favourite Colour: Green
Disliked Colour: Orange. (Because it makes his head hurt when he sees it.)
Hobby: Dancing (Jazz since he was three) and Soccer.
Agency: Johnny's Jimusho
Former Groups: Hey! Say! 7
Family: Father, Chinen Kou, has received bronze in the Olympic gymnastics games. Mother, Oozawa Yuuri works as an announcer and an older sister.
Favourite Subject: PE (because he says he is really good at gymnastics and it makes him look like a hero when he is doing flips.) He also likes Social Studies.
Disliked Subject: English (He wonders why he has to learn it since he is Japanese.)
Strong Point: Challenges are what make him a stronger person.
Weak Point: When challenges become too difficult or extreme,he throws them away.
Favourite Song: Hitomi no naka no Galaxy by Arashi
Admired Senpai: Ohno Satoshi
Type of girl he likes: Quick thinker, Can dance and sing with him, Always happy, Nice, and Cute
Current Group: Hey! Say! JUMP

Name: Arioka Daiki
Profession: Singer, actor
Birthdate: 1991.04.15
Birthplace: Chiba Prefecture
Blood Type: A
Height: 163.5 cm
Weight: 48 kg
Agency: Johnny's Jimusho
Admired senpai: Katori Shingo
Former groups: J.J. Express, Hey! Say! 7
Talent: Football
Fav. Food: Rice Omelette
Disliked Food: Tomato, Mayonnaise
Fav. Sport: Soccer
Fav. Subject: English
Disliked Subject: Mathematics
First Love: Primary School Year 1