On June 2, 2003, he entered Johnny & Associates as a trainee. Chinen Yuuri, a member of the same group as him, was also there during that time.
On April 3 of that same year, he began activities with Hey! Say! 7 starting with a public performance at a KAT-TUN concert.
On September 21, 2007, he began performing as a member of Hey! Say! JUMP

[2001] Gao Ranger
[2003] Last Lawyer
[2005] Engine as Sonobe Toru
[2008] Sensei Wa Erai! as Takekura Rin

[2004] Jam Films 2: Fastener

- favorite music is currently hip-hop and R&B
- the reason he joined Jimusho is because his mom knew he liked SMAP and sent in the application
- likes watermelon flavored ice cream, but not so much real watermelon
- thinks he tends to look more cute, and wants to graduate from being cute
- attends Horikoshi Gakuen
[Currently, Yabu, Hikaru, Taiyou, Kamei, and Arioka attends Horikoshi.]
- thinks he is not popular, and is anticipating the time in his life when he might be popular
- very sensitive ( almost cried when watching a Kat-Tun concert DVD)
- trying to be more mature lately
- thinks he needs to eat fish and drink milk to become taller because his height bothers him
- wishes Takaki would stop singing Christmas songs in a crowd in the middle of summer (Shin Domoto Kyodai XD)
- he's weird in a cute way (both of the making of PV videos...lol)
- prefers girls who are "genki" and if talking about outward appearance, he prefers "cute" rather than beautiful type

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