Name: Arioka Daiki
Profession: Singer, actor
Birthdate: 1991.04.15
Birthplace: Chiba Prefecture
Blood Type: A
Height: 164 cm
Weight: 50 kg
Agency: Johnny's Jimusho
Admired senpai: Katori Shingo
Former groups: J.J. Express, Hey! Say! 7
Talent: Football
Fav. Sport: Soccer
Fav. Subject: English
Disliked Subject: Mathematics
First Love: Primary School Year 1
Favorite phrase: Powerful.
Favorite song: Katori Shingo san’s solo “It Can’t be”
Favorite movie: Armageddon.
Favorite book: Switch o osu tokini “When you press the switch”.
Favorite manga: Dragon ball
Favorite ramen: Tonkotsu flavor.
Favorite TV show: Showbiz Countdown.
Favorite food: Omurice (omelets on top of fried rice)
Least favorite food: Mayonaise and Umeboshi (pickled ume fruit*ume-plum/apricot*)
Favorite emoticon: *smiley face* and *swirl*
Trivia
- He likes his cheeks.
- Eyesight is 1.0 in both eyes.
- He resembles his mother and grandmother.
- Out of all the Hey! Say! JUMP members, he likes Chinen Yuuri's face the most.
- He likes watermelon flavor of ice cream.
- One word describes his personality:Positive.
- Dominant hand, dominant leg: Both right.
- His weakness is when people touch his belly button.The members thinks his reaction is funny so they often try to touch it.
- He has a same Birthday as Leonardo DaVinci
- He want to be more taller.
- He sleeps with underwear only.
- He bath 30 mins.He gets complains from his family that he takes too long.
- Favorite place in school: The rooftop.
- Favorite school curriculum: National Language (Japanese).He likes reading compositions.
- Least favorite school curriculum: Math.He dont understnd formula's and dont remember it.
- Favorite field day activity: 100m dash. He's good at sprinting.
- He wants to go to Las Vegas and see Justin Timberlake.
- He has 135 contacts in his Cellphone.
- His favorite lunch menu is Yakisoba (Fried noodle)

Dramas
[2001] Gao Ranger
[2003] Last Lawyer as a guest in ep.2
[2005] Engine as Sonobe Toru
[2008] Sensei Wa Erai! as Takekura Rin
[2008] Scrap Teacher

Movies
[2004] Jam Films 2: Fastener