Yuyoyuppe

, known professionally as , is a Japanese DJ, songwriter, producer, and singer, known for his Vocaloid music.

Early life Takehiro Mamiya was born on September 25, 1989, when his parents were expecting a baby girl. He first learned to play the guitar in the sixth grade, by his father.

Career In 2008, Yuyoyuppe began to post videos on the video sharing service Nico Nico Douga, with considerable success for his song "Hope", sung by Hatsune Miku. He would later join the band My Eggplant Died Yesterday as a vocalist.

On September 26, 2012, Yuyoyuppe released his debut album Story of Hope, as his first release on the label Yamaha Music which he joined that year. On July 16, 2014, he released the album Vocaloholic, and later that month, he left My Eggplant Died Yesterday to form a new band called Grilled Meat Youngmans. In October 2016, he released the album Yutori Dakara Honki ni Narenai. In September 2019, Grilled Meat Youngmans announced that they were changing their name to Naked Identity Created by King. In August 2025, he released a song with neko titled "Cut it deep" digitally.

Yuyoyuppe has produced music for other artists, such as Babymetal, for their debut album Babymetal. He has since written music for the band, including the song "Karate" from Metal Resistance. Finding appeal in the band's music, he was approached by the band's manager Kobametal to write a song, to which he obliged.

Mamiya also performs as a DJ under the stage name DJ'Tekina//Something, having performed at the Rock in Japan Festival and Summer Sonic Festival.

He is married to voice actress Hibiku Yamamura, who announced their marriage on Twitter on November 3rd, 2023.

Musical style His music follows the genres of rock and metal.

Mamiya has expressed that although he has solid scheduling and deadlines, he follows his instincts while working, which loosens his fixation on them. He has also stated that distributing his music digitally allows for audiences abroad to discover his work. Label: Motoloid Format: CD, digital download Kawa-EDM Released: Label: Avex Japan Formats: CD RED Released: Label: Motoloid Format: CD, digital download BLUE Released: Label: Motoloid Format: CD, digital download

As Draw the Emotional Title Album details Solitude freak Released: Label: Draw the Emotional Format: CD DEAR Released: Label: Draw the Emotional Formats: CD For a sick boy Released: Label: Draw the Emotional Formats: CD I'm Released: Label: Draw the Emotional Formats: CD Collapse of the sky Released: Label: Draw the Emotional Formats: CD Wall in the presence. (old) Released: Label: Draw the Emotional Formats: Digital download Planetary suicide Released: Label: Draw the Emotional Formats: CD Draw the Emotional x AVTechNO! Released: Label: Karent Formats: Digital download Funny party in the Fog Released: Label: Draw the Emotional Formats: CD Wall in the presence. (new) Released: Label: Draw the Emotional Formats: CD YUYOYU EP Released: Label: Draw the Emotional Formats: CD Seated With Liquor Released: Label: Draw the Emotional & Foreground Eclipse Formats: CD Inverted mind Released: Label: Draw the Emotional Formats: CD Draw Released: Label: Draw the Emotional Formats: CD

With Naked Identity Created by King Albums Title Album details EATMANSReleased: Label: Motoloid Format: CD Naked Identity Created by King Released: Label: Naked Identity Created by King Format: CD BAD TRIP Released: Label: Naked Identity Created by King VIRTUAL MISS∀ Released: Label: Naked Identity Created by King

Singles

Productions Babymetal – Babymetal (2014) "Babymetal Death" "Megitsune" "Uki Uki ★ Midnight" "Rondo of Nightmare" (also lyricist and composer)

Momoiro Clover Z – Hakkin no Yoake (2016) ""Z" no Chikai"

Babymetal – Metal Resistance (2016) "Karate" (arranged as Yuppemetal; also lyricist and composer) "Yava!" (arranged as Yuppemetal) "From Dusk Till Dawn" (arranged as Yuppemetal; also composer) "GJ!" (arranged as Yuppemetal; also lyricist and composer) "Sis. Anger" (arranged as Yuppemetal)

Babymetal – Metal Galaxy (2019) "↑↓←→BBAB" (arranged as Yuppemetal) "Night Night Burn!" (arranged as Yuppemetal) "In the Name Of" (arranged as Yuppemetal) "Kagerou" (arranged as Yuppemetal; also composer)

Tokoyami Towa – Aster (2023) "ANEMONE"

Babymetal – The Other One (2023) "Monochrome" (arranged as Yuppemetal; also composer) "Believing" (arranged as Yuppemetal; also composer)

Remixes As DJ'Tekina//Something Babymetal – "Headbangeeeeerrrrr!!!!!" (Night of 15 mix) (2013; from Kawa-EDM) Babymetal – "Megitsune" (Tekina Remix) (2013)