[5] With his mother a fan of The Beatles, he began to admire the sound of an electric guitar and bought a white one for 15,000 yen when he was in fifth grade.

[5] "Instead of copying something, I realized I could make my own rules, so I formed a band and started writing original songs when I was in my second year of junior high school.

[4] In high school, Ryuichi realized he had not been taking singing seriously and became disillusioned with the daily grind of classes that he believed would not help him in the future.

The album includes his cover version of the song "Namida Iro", which was formerly sung by Japanese female singer Noriko Sakai with his songwriting.

[10] Kawamura later started his own production house titled RK, and in 1999, he went on to produce many artists including Azumaya Toga, Hideki and Izam.

Billboard later quoted music critic Hiromichi Ugaya as saying that the band broke up due to conflict between Kawamura and the other members.

[11] That same year, Kawamura started his first solo tour and created a subsidiary of RK intended for the production of film music.

Following the release of the single "Kimi no Mae de Paino wo Hikou", he landed a role in the film Picaresque based on the life of Osamu Dazai.

Later, Kawamura starred as a lead role in the TV Asahi drama series Kowloon de Aimasho and also wrote the ending theme "Sugar Lady".

After taking a short vacation in Europe, Kawamura reunited with Inoran and Hiroaki Hayama to announce the formation of their band Tourbillon in 2005.

The show celebrated the 10th anniversary of his solo career where he performed half of every song recorded from each of his six original albums, amounting to a 70-song set.

Ryuichi also sang the Japanese National Anthem for the occasional sporting event, including the 7th Grand Prix D1 series and one of the J-League's Kashima Antlers soccer game in March 2008.

In October 2008, Kawamura co-starred in the Broadway musical Chicago, along with Takarazuka stars Yoka Wao and Ryoko Yonekura, in which he played the lawyer Billy Flynn.

[12] Following an overseas performance in Hong Kong in March 2009, Kawamura released the single "Heroine" on February 4, which was a collaboration with Tetsurō Oda.

With a new contract with Avex Group (after leaving Columbia Music Entertainment), Kawamura performed at the Hard na Yaon 2009 concert that same month along with many other artists from the company.

[15] Also in August, he appeared with the other members of Luna Sea at a press conference in Hong Kong, where they officially announced their reunion and their 20th Anniversary World Tour Reboot -to the New Moon-.

He also participated in South Korean R&B singer Bobby Kim's album My Soul, writing Japanese lyrics for the song "Tsuioku no Kaze".

[16][17] Kawamura and his fellow Luna Sea member Sugizo collaborated with the musical group M.o.v.e to provide a theme song for the movie Gakudori.

On April 30, Kawamura held a charity concert in Thailand, titled Ryuichi Kawamura Exclusive One Night Only Charity Concert in Bangkok, in which he performed at the Royal Paragon Hall with the Bangkok Symphony Orchestra and special guest Pod (lead singer from Thai alternative rock band Modern Dog).

They announced a concert at the 30,000-seat Saitama Super Arena titled Luna Sea for Japan A Promise to the Brave on October 22.

[21] In April, Kawamura starred in the Legend of Galactic Heroes stage play Chapter 2: Free Planets Alliance Arc as the character Yang Wenli.

It includes pop ballads originally sung by female singers and features Masami Tsuchiya and Ryuichi's Tourbillon bandmate Hiroaki Hayama.

For this album, musicians such as Yuji Adachi, George (Ladies Room), Hideki (Siam Shade), Hazuki (lynch.)

and Mao (Sid) composed songs at Ryuichi's request after he was impressed when most of them supported him live at the Children of the New Age ~Shin Jidai no Kodomodachi e~ charity event he put on in August 2019.

After Sugizo told him that Ryuichi does not move around on stage much in order to focus on singing properly, Nobuya adopted this style himself.

[34] In an interview with Barks at the end of 2023, Kawamura revealed that he had been diagnosed with a vocal disorder, "the diagnosis varies depending on the doctor.