YouthK Saeki

YouthK Saeki (佐伯裕介, born November 5, 1986) is a Japanese music producer, singer-songwriter, lyricist, composer, and voice actor from Yokohama and Atsugi, Kanagawa. His work spans both performance and songwriting, and he has pursued those activities under different names depending on the style and role of each project. He began full-scale songwriting activity around 2006 under the writer name 佐伯youthK, made his songwriter debut in April 2009 with Kanjani∞'s "YOU CAN SEE," and made his singer-songwriter debut as 佐伯ユウスケ on rhythm zone in July 2012 with the album "7つのドウキ." In spring 2014, he also started the separate project SHUHARIHITO. Saeki moves between vocal performance and behind-the-scenes writing across multiple vocal projects, and he has written songs for idols, singers, and seiyuu. In 2013, Nishino Kana's "さよなら," which he provided, was nominated for the Excellent Work Award at the 55th Japan Record Awards. He handled five theme songs across the "弱虫ペダル" anime, film, and drama projects in 2017 and 2018, performed "Yume no You na (夢のような)," the ending theme for the second cour of "Dr. Stone," in 2019, and in 2020 sang the "遊☆戯☆王SEVENS" opening theme "ナナナナナナナ" while also writing, composing, and arranging the ending theme "ゴーハ第7小学校校歌." He made his voice-acting debut in "遊☆戯☆王SEVENS" in 2021 as 有栖川ジャンゴ and began voice-acting activities through a business alliance with 株式会社ステイラック on September 1 that year.