[Edit]
History
2001
~Attended Osaka Furitsu Nagano High School.
~Was the grand prix winner of the fourteenth Junon Super Boy Contest.
2002
~Moved to Tokyo in the spring. Changed schools to Horikoshi High (also attended at the same time as NEWS' Tomohisa Yamashita, D-BOYS' Yu Shirota, Japanese actor and singer Toma Ikuta and KAT-TUN's Koki Tanaka)
~Met Eiji Wentz while working and formed WaT. Started doing street lives.
~Debuted as an actor in the drama Tentai Kazoku.
2004
~WaT released debut indies C.D. Sotsugyō Time in June.
2005
~Acted in the drama Gokusen 2, which was part of the reason for his increasing popularity.
~WaT signs with Universal Music in August, releases first major single Boku no Kimochi in November, reaching second place on the Oricon chart. They are the band with the shortest time gap between debut and appearing on NHK's Kōhaku Uta Gassen.
~Released his first photobook, First Letter From Teppei.
2006
~Presented with the Newcomer's forty-third Golden Arrow Award (WaT).
~Presented with the twentieth Gold Disc Award for "Best New Artist".
~First leading role in the movie Lovely Complex as Atsushi Otani.
~Official supporter in 2006's International Volleyball Tournament (WaT).
~Nominated for the Best Supporting Actor in the forty-ninth Drama Academy Award, for his performance in Iryu.
~Released his second photobook, Kiss me, Kiss me.
~On New Year's Eve, WaT performed for the second time in N.H.K.'s Kōhaku.
~Acted in the drama Iryu, as Ijyuuin.
2007
~First music solo project was announced on January tenth.
~His story of leaving his family and hometown to pursue his dream to be a performer was turned into a fifty-two pages one shot manga entitled Bokura no Ibasho by Nakahara Aya, the author of the manga Lovely Complex.
~Solo single, Kimi ni Okuru Uta, was released on February fourteen, Valentine's Day, with Wentz's solo song Lucky de Happy as the B-side song.
~Solo album, Pieces was released on the 27th of June.
TV Dramas
Tentai Kazoku (2002)
Anata no Jinsei Ohakobishimasu (2003)
Okaasan to Isshou (2003)
Yankee Bokou ni Kaeru (2003)
Houkago - Kaname Komiya (2004)
Water Boys 2 - Iwata Iwao (2005)
Gokusen 2 - Takeda Keita (2005)
Dragon Zakura - Ogata Hideki (2005)
Oniyome Nikki - Sawamura Ryousuke (2005)
Iryu - Ijuuin Noboru (2006)
Iryu 2 - Ijuuin Noboru (2007)
Mada Minu Chichi e, Haha e (2007)
Shibatora - Shibata Taketora (2008)
Ohitorisama - Kamisaka Shinichi (2009)
Variety TV Shows
Ame ni mo makezu! (Fuji Terebi) - host along with his partner, Wentz.
Solo discography
Singles
2007-02-14: 君に贈る歌 (Kimi ni Okuru Uta)
2007-04-25: my brand new way
2009-06-24: キミだけ (Kimi Dake)
Albums
2007-06-27: pieces, which contains 12 self-penned songs
2009-07-15: Jack in the Box . Debut position & 1st week sales - #15 ; 10,580
Movies
Taga Tameni
Lovely Complex(first male leading role) as Ōtani Atsushi (2006)
My Favorite Girl - a WaT DVD movie project together with Wentz (2006)
KIDS - Asato (2008)
The Homeless Student as Tamura "Tamuchin" Hiroshi
Gokusen the Movie(2009)
Black Gaisha ni Tsutometerundaga, Mou Ore wa Genkai Kamoshirenai (2009