Koichi Domoto Biography: Age, Net Worth, Songs, Height, Partner, KinKi Kids, Endless SHOCK

Koichi Domoto emerges as a versatile Japanese idol, singer, actor, and multifaceted entertainer, renowned for his commanding stage presence in the long-running musical Endless SHOCK and his contributions to the iconic duo KinKi Kids alongside Tsuyoshi Domoto.

With a career spanning over two decades under Johnny & Associates—now Starto Entertainment—he has excelled in composing, lyric-writing, and television hosting, blending rigorous performance with creative innovation.

Profile

• Full Name: Koichi Domoto
• Stage Name: Koichi Domoto
• Born: January 1, 1979
• Age: 46 years old
• Birthplace: Ashiya, Hyogo Prefecture, Japan
• Nationality: Japanese
• Occupation: Idol, Singer, Actor, Singer-Songwriter, Composer, Lyricist, Television Personality, Voice Actor
• Height: 5 feet 7 inches
• Parents: Mr. and Mrs. Domoto
• Siblings: One sister
• Spouse: None
• Children: None
• Relationship: Single
• Net Worth: $1 million to $5 million USD

Early Life and Education

Koichi Domoto, a distinguished idol, singer, actor, and television personality, was born on January 1, 1979, in Ashiya, Hyogo Prefecture, Japan.

Raised in a supportive household by Mr. and Mrs. Domoto alongside his sister, he showed little initial interest in the spotlight until she secretly submitted his application to Johnny & Associates at age 12, sparking his entry into the agency’s junior ranks.

He pursued formal training within the program, focusing on performance arts rather than traditional academia, though specifics of his schooling remain private.

His Japanese heritage fosters a disciplined ethos, with personal faith undisclosed.

Career

Koichi Domoto joined Johnny & Associates in 1991, initially serving as a backup dancer for Hikaru Genji alongside future bandmate Tsuyoshi Domoto, with whom he shares no blood relation.

The duo debuted as KinKi Kids in 1997 with the single “Garasu no Shōnen” and album A Album, both topping charts and earning Guinness recognition for consecutive No. 1 singles.

He launched his solo path in 2001 by starring in and composing for the musical Endless SHOCK, which has surpassed 1,800 performances and earned him directorial credits from 2005 onward.

Solo releases include the album Mirror (2006) and singles like “Deep in Your Heart” (2006), while he has penned tracks for KinKi Kids and others like NEWS.

Television highlights encompass hosting The Shonen Club and voice roles in anime such as Jyu Oh Sei (2006), with recent endeavors including the 2025 musical Charlie and the Chocolate Factory and album RAISE.

Social Media

• Instagram Handle: @koichi.domoto_kd_j
• YouTube Channel: Koichi Domoto

Personal Life

Koichi Domoto, a distinguished idol, singer, actor, and television personality, maintains a private equilibrium in his 46th year, prioritizing career over public disclosures.

Single and without children, he has faced past dating rumors, including a 2023 report linking him to actress Megumi Sato from Endless SHOCK collaborations, though no confirmations emerged.

He credits his sister for his career entry and shares a professional bond with Tsuyoshi Domoto, often balancing intense schedules with low-key pursuits like reading and travel, while residing in Tokyo with family ties to Hyogo.

Discography

• Mirror (Album, 2006)
• BPM (Album, 2010)
• Gravity (Album, 2012)
• Spiral (Album, 2015)
• PLAYFUL (Album, 2021)
• KOICHI DOMOTO Endless SHOCK Original Sound Track (2006)
• KOICHI DOMOTO “Endless SHOCK” Original Sound Track 2 (2017)
• “Deep in Your Heart / +MILLION but -LOVE” (Single, 2006)
• “Ayakashi” (Single, 2009)

Filmography

• Remote (TV Series, 2002) – Lead Role
• Jyu Oh Sei (Anime Series, 2006) – Voice Actor
• Bokura no Yūki: Miman Toshi (TV Series, 1997) – Role TBD
• Ginmaku Ban Sushi Ōji!: Nyūyōku e Iku (Film, 2008) – Role TBD
• Endless SHOCK (Stage Musical, 2001–present) – Lead Role / Director

Net Worth

Koichi Domoto, a distinguished idol, singer, actor, and television personality, holds an estimated net worth of $1-5 million USD.

His earnings stem from KinKi Kids album sales exceeding 20 million copies, Endless SHOCK residuals and tours, solo releases, television hosting, and endorsements, reflecting sustained success in Japan’s idol sector.