After Vamps announced their hiatus in the fall of 2017, Hyde resumed work as a solo artist, releasing his eighth single, "Who's Gonna Save Us" on June 27, 2018, which marked his first solo release in 12 years.
Two more singles, "After Light" and "Fake Divine", were released June 29, 2018 and October 24, 2018, respectively.

In 2018, Hyde also kick-started his solo activities by collaborating with noted musicians, such as Yoshiki and Mika Nakashima.
Hyde produced Mika's single "Kiss of Death", which was released on March 7, 2018 and marked their second collaboration together in 13 years.
The single was used as the opening theme song for the anime Darling in the Franxx.
Hyde collaborated with Yoshiki on an original song titled "Red Swan".
The single was used as the opening theme song for the third season of the anime Attack on Titan.
The song was released worldwide on October 3, 2018, and features Yoshiki on piano and Hyde on vocals.

In the summer of 2018, Hyde kicked off his first solo tour in over a decade.
Hyde Live 2018 tour commenced on June 29, 2018 in Tokyo and spanned across 7 cities in Japan, with a total of 33 performances.
Hyde also invited the American rock band Starset, whom Vamps previously toured with, to open for him during his 7-day stint at Zepp Tokyo.
In order to promote the tour with Starset as a support act, Hyde's vocal tracks were added to Starset's original song, "Monster".
The track was then re-released as "Monster feat.
Hyde" in Japan on August 10, 2018, and was only made available on the Japanese version of Starset's album Vessels.
The tour ended in Fukuoka on October 14, 2018.

In early 2019, Hyde collaborated once more with Yoshiki on Hyde's single "Zipang".
The title refers to an old way of saying "Japan" and was released on February 6, 2019.
The track featured Yoshiki on piano and Hyde on vocals, and its coupling song was a cover of Duran Duran's "Ordinary World".
On March 20, 2019, Hyde's 11th single, "Mad Qualia" was released as the theme song for the Japanese version of Capcom's video game Devil May Cry 5.

Hyde's fourth solo album Anti was released in digital format on May 3, 2019, and later in CD format on June 19.
Hyde teamed up with Drew Fulk (Bullet for My Valentine, Bad Wolves, Motionless in White) and Nick Furlong (Blink-182, Papa Roach, 5 Seconds of Summer, Diplo), amongst other producers, to write 10 new songs for the album.
The CD format version of the album reached number 3 on the Billboard charts in Japan and marked his second full-length English album as a solo artist.

Earlier in May, Hyde joined In This Moment on their 13-date U.S. Tour, beginning May 7 in Louisville, KY and wrapping-up May 24 in Kansas City, MO.
His tour stops also included an appearance at the Welcome to Rockville Festival in Jacksonville, FL (his set was cancelled due to severe weather), the Epicenter Festival in Charlotte, NC on May 11, the Japan Night concert in New York City on May 12, and concluded with a sold-out headlining show in Los Angeles on May 26.

In conjunction with the physical release of Anti in June, embarked on a 26-date domestic tour that commenced in Tokyo on June 22 and ended in Sapporo on September 1, 2019.
Following the conclusion of his domestic tour, Hyde was invited to tour as a support act for Starset on their 35-date U.S. “Divisions” tour.

Hyde became a tourism ambassador for his hometown, Wakayama city in January 2019, and following his appointment, in December a train service named "Hyde Southern" began operating between Namba Station and Wakayamakō Station in Wakayama Prefecture.
The trains, decorated with images of Hyde and local landmarks, will run until October 2020.

By the end of 2019, Hyde concluded the fall with his arena tour Hyde Live 2019 Anti Final and will end 2019 by performing at the event Rockin'on presents Countdown Japan 19/20 on December 29.

On March 18, 2020, Hyde released the single "Believing in Myself", which was composed for the 2020 Tokyo Marathon.
After Vamps announced their hiatus in the fall of 2017, Hyde resumed work as a solo artist, releasing his eighth single, "Who's Gonna Save Us" on June 27, 2018, which marked his first solo release in 12 years. Two more singles, "After Light" and "Fake Divine", were released June 29, 2018 and October 24, 2018, respectively.
In 2018, Hyde also kick-started his solo activities by collaborating with noted musicians, such as Yoshiki and Mika Nakashima. Hyde produced Mika's single "Kiss of Death", which was released on March 7, 2018 and marked their second collaboration together in 13 years. The single was used as the opening theme song for the anime Darling in the Franxx. Hyde collaborated with Yoshiki on an original song titled "Red Swan". The single was used as the opening theme song for the third season of the anime Attack on Titan. The song was released worldwide on October 3, 2018, and features Yoshiki on piano and Hyde on vocals.
In the summer of 2018, Hyde kicked off his first solo tour in over a decade. Hyde Live 2018 tour commenced on June 29, 2018 in Tokyo and spanned across 7 cities in Japan, with a total of 33 performances. Hyde also invited the American rock band Starset, whom Vamps previously toured with, to open for him during his 7-day stint at Zepp Tokyo. In order to promote the tour with Starset as a support act, Hyde's vocal tracks were added to Starset's original song, "Monster". The track was then re-released as "Monster feat. Hyde" in Japan on August 10, 2018, and was only made available on the Japanese version of Starset's album Vessels. The tour ended in Fukuoka on October 14, 2018.
In early 2019, Hyde collaborated once more with Yoshiki on Hyde's single "Zipang". The title refers to an old way of saying "Japan" and was released on February 6, 2019. The track featured Yoshiki on piano and Hyde on vocals, and its coupling song was a cover of Duran Duran's "Ordinary World". On March 20, 2019, Hyde's 11th single, "Mad Qualia" was released as the theme song for the Japanese version of Capcom's video game Devil May Cry 5.
Hyde's fourth solo album Anti was released in digital format on May 3, 2019, and later in CD format on June 19. Hyde teamed up with Drew Fulk (Bullet for My Valentine, Bad Wolves, Motionless in White) and Nick Furlong (Blink-182, Papa Roach, 5 Seconds of Summer, Diplo), amongst other producers, to write 10 new songs for the album. The CD format version of the album reached number 3 on the Billboard charts in Japan and marked his second full-length English album as a solo artist.
Earlier in May, Hyde joined In This Moment on their 13-date U.S. Tour, beginning May 7 in Louisville, KY and wrapping-up May 24 in Kansas City, MO. His tour stops also included an appearance at the Welcome to Rockville Festival in Jacksonville, FL (his set was cancelled due to severe weather), the Epicenter Festival in Charlotte, NC on May 11, the Japan Night concert in New York City on May 12, and concluded with a sold-out headlining show in Los Angeles on May 26.
In conjunction with the physical release of Anti in June, embarked on a 26-date domestic tour that commenced in Tokyo on June 22 and ended in Sapporo on September 1, 2019. Following the conclusion of his domestic tour, Hyde was invited to tour as a support act for Starset on their 35-date U.S. “Divisions” tour. 
Hyde became a tourism ambassador for his hometown, Wakayama city in January 2019, and following his appointment, in December a train service named "Hyde Southern" began operating between Namba Station and Wakayamakō Station in Wakayama Prefecture. The trains, decorated with images of Hyde and local landmarks, will run until October 2020.
By the end of 2019, Hyde concluded the fall with his arena tour Hyde Live 2019 Anti Final and will end 2019 by performing at the event Rockin'on presents Countdown Japan 19/20 on December 29.
On March 18, 2020, Hyde released the single "Believing in Myself", which was composed for the 2020 Tokyo Marathon.
Hyde (musician)