Gakuto Oshiro (Da Cheng  gakuto, Oshiro Gakuto, born July 4, 1973), better known by his mononymous stage name Gackt, is a Japanese musician, singer, songwriter, record producer and actor. He has been active since 1993, first as the frontman of the short-lived independent band Cains:Feel, and then for the now defunct visual kei rock band Malice Mizer, before starting his solo career in 1999. He has released nine studio albums and, with forty-eight singles released, holds the male soloist record for most top ten consecutive singles in Japanese music history. His single "Returner (Yami no Shuen)", released on June 20, 2007, was his first single to reach the number one spot on the Oricon charts.
2008-09: Requiem et Reminiscence II tour and Re:Born
On July 31, 2008, Internet Co., Ltd. released Gackpoid, a Vocaloid using a recorded selection of Gackt's voice. On December 3, his twenty-eighth single "Jesus" was released, his first single release in over a year. It peaked at number seven, spending 10 weeks on the charts. On December 14, Gackt went on his longest nationwide tour Requiem et Reminiscence II -Saisei to Kaiko- (Requiem et Reminiscence II -Zai Sheng toXie Hou -, -Rebirth and Reunion-), which included over 60 concerts in more than forty-five cities. On January 28, 2009, his twenty-ninth single "Ghost" was released, and peaked at number six on the charts. On May 18, Gackt was scheduled to perform a concert in South Korea at Seoul's Olympic Hall, but due to the effects of the global recession, the sponsors of the concert withdrew their support. In commemoration of his 10th anniversary as a solo artist, Gackt released four singles: "Koakuma Heaven", "Faraway", "Lost Angels", and "Flower", one week after another, starting from June 17 and ending on July 1. They all managed to enter the top ten on the charts. On June 13, Gackt began the arena part of the tour, and on July 4 held a fanclub concert to celebrate his birthday at the Yoyogi National Stadium. On July 11 and 12, he held the final concerts at the Saitama Super Arena.  As both Gackt and the Kamen Rider Series' Heisei period run had its 10th anniversary, he became involved in the 2009 edition of the franchise, Kamen Rider Decade, to perform its theme songs. These are the first singles that were not written by him, and were released by Avex Trax and Avex Entertainment. In March, his thirtieth single and the series' opening theme, "Journey Through the Decade", was released, peaking at number two and spending 25 weeks on the charts, and certified gold by RIAJ. In August, he released the second theme single for the Kamen Rider Decade film All Riders vs. Dai-Shocker, "The Next Decade". It peaked at number four and spent nine weeks on the charts. He also appeared in the film as Decade's iteration of the character Joji Yuki. The collaboration finished in January with the release of the final single, "Stay the Ride Alive", which charted the same as his previous one.  In September, he performed as a representative of Japan at the Asia Song Festival in Korea. He also participated in the 2009 Animelo Summer Live concert. In October, Gackt performed as the main artist in the "Wow Live! Thanks For Music" show held in Yoyogi National Gymnasium, in Japan. On December 2, he released his seventh studio album, Re:Born, which continued the story he had originally created in 2001. It reached number nine on the charts. On December 12, he held a fanclub cover concert conceptualized around fictional school, at the Saitama Super Arena.

Q: what happened in 2008?
A: On July 31, 2008, Internet Co., Ltd. released Gackpoid, a Vocaloid using a recorded selection of Gackt's voice.

Q: was it popular?
A: On December 3, his twenty-eighth single "Jesus" was released, his first single release in over a year. It peaked at number seven,
when did he go on tour?
On December 14, Gackt went on his longest nationwide tour Requiem et Reminiscence II
On December 14, Gackt went on his longest nationwide tour Requiem et Reminiscence II