Career
He joined the talent agency Johnny & Associates in 1999 and officially debuted as part of KAT-TUN in 2006. Taguchi officially joined Johnny & Associates in May 1999. He was selected to join KAT-TUN when it formed in 2001, and subsequently debuted with the group in 2006.
In 2001, he made his first appearance in a drama, in Omae no Yukichi ga Naiteiru.
In 2005, he had his first drama lead role when he replaced agency mate Hiroki Uchi, who was temporarily suspended from activities, in Ganbatte Ikimasshoi. Dramas Omae no Yukichi ga Naiteiru (2001) as Haruki Hijikata Shōnen wa Tori ni Natta (2001) Ganbatte Ikimasshoi (2005) as Saburō Nakata Happy! (2006) as Keiichirō Ōtori Happy!2 (2006) as Keiichirō Ōtori Hanayome to Papa (2007) as Seiji Miura Yūkan Club (2007) as Granmanie Bidō Kochira Katsushikaku Kameari Kōenmae Hashutsujo (2009) as Kakunoshin Araki Inu o Kau to Iu Koto ~Sky to Wagaya no 180-nichi~ (2011) as Katsuhiko Hotta Legal High (2012) as Ranmaru Kaga Osozaki no Himawari ~Boku no Jinsei, Renewal~ (2012) as Kaoru Aoyama Legal High SP (2013) as Ranmaru Kaga Nanatsu no Kaigi (2013) as Hiromitsu Saeki Legal High Season 2 (2013) - Ranmaru Kaga Kyouwa Kaisha Yasumimasu (2014) as So Oojiro television programs Kyōkun no Susume (2014–present) Regular guest Radio Tokyo-FM Tag-Tune Driving Host KAT-TUN no Gatsūn Company-host Commercials Lotte Sou Crunky (2002) Plus X (2003) Rohto Mogitate Kajitsu (2005, 2007, ) Rohto C Cube (2005) Sesera (2006) SKY Perfect JSAT Corporation SKY PerfecTV! (2006) SKY PerfecTV Premium Service (2006) Nippon Telegraph and Telephone DoCoMo New 9 Series (2006) FOMA903i (2006) GungHo Online Entertainment Puzzle & Dragons Z (2013) 2007.