His recent major roles include the TV dramas La Grande Maison Tokyo and Oh My Boss!
[7][9] When he was in the first year of junior high school, his mother, who was a fan of Tomohisa Yamashita, secretly sent Johnny & Associates a resume.
[17] In July 2011, in anticipation of Kis-My-Ft2's CD debut on August 10, 2011, the TBS Television (Japan) drama He is Beautiful started.
He starred in this drama along with Kis-My-Ft2 member Taisuke Fujigaya, fellow agent Hikaru Yaotome, and actress Miori Takimoto.
In The Knife and the Sword he played a modern-day cook who travels back in time to Sengoku period to serve the legendary war lord Oda Nobunaga.
[22] The drama received high ratings in the late-night slot[23] and was promoted to primetime in 2014, with a second series airing.
[24] In Pin to Kona, he played the role of the heir to the traditional Japanese art of kabuki.
[25] In November 2015, he had his first starring role of movie in World of Delight, a film about meeting and falling in love with a handicapped woman.
[28] He also gained acting experience on stage, he was appeared in his agent Johnny & Associates' flagship production Dream Boy from its premiere in 2004, after playing the semi-leading role of a boxing champion in 2012, He played the lead role five times from 2013 to 2018.
In 2017, He appeared in TBS Television (Japan) drama Reverse as a high school teacher Asami.
It is said that his acting skills improved after receiving strict guidance from director Ayuko Tsukahara of this drama.
He played young chef Shohei Hirako who suffers from a secret from a past incident.
The drama was distributed online on Paravi, but there were times when access was so concentrated that it was difficult to connect to the site.
[43] In August 2023, he played the role of Wade Ripple as a dubbing voice actor for the film Elemental.
In this tough competition, he had to save 10,000 yen or less per month for food, including utilities, and compete against other contestants.
[57] In December same year, he won the "Most Beautiful Person" grand prize at Kodansha's VOCE Best Cosmetics Awards 2022.
Miyata continued to co-star in Dream Boy, Johnny & Associates stage production series in which Tamamori starred five times.
[70] They have also appeared together as lovers in the online drama Be Love[71] and both were chosen as regular members of a YouTube game distribution program.
In the second half of 2022, when Tamamori was extremely busy starring in two consecutive dramas, he felt the limits of his physical strength.
"[76] Tamamori has been close with his junior, Ren Nagase of King & Prince, since they co-starred in TV series The Knife and the Sword,[77] and they have dined together privately, collaborated on Instagram.
Through his hobby of bass fishing,[82] he is close friends with West's Takahiro Hamada who is same agent[82][83] and comedian Asei who was co-starred in the drama Oh My Boss!
[86] Tamamori is a big fan of Anne-Marie; on the August 29, 2019 broadcast of their variety show “Kis-My-Busaiku!"
[87] He knew nothing about it and at first tried to run away in surprise, but when he heard her sing a verse of his favorite song Perfect right in front of him, he was very moved.
[88] In 2024, He reported on his own Instagram that he went to Anne-Marie's first performance in Japan in two years at Tokyo Garden Theater on September 24, 2024, and had a good time.