is the 21st single by Japanese boyband Hikaru Genji, released on May 13, 1993. It was used as the theme song of the animated series Nintama Rantarō, while the B-side "Hohoemi o Azukete" was used as an insert song for the same anime.

The song is Nintama Rantarōs only opening theme song. The original version was used for season 1 (1993–1994), while their self cover under the name Genji Super 5 was used for seasons 2 through 9 (1994–2001). Johnny's Entertainment groups then covered the song six times: Ya-Ya-Yah (seasons 10–16, 2002–2008), Hey! Say! JUMP (season 17, 2009), NYC (seasons 18–19, 2010–2011), Sexy Zone (seasons 20–23, 2012–2016), Junior Boys (seasons 24–29, 2016–2022) and Johnny's Jr. (seasons 30– , 2022–Ongoing).

Track listing

NYC cover

"Yūki 100%'''" was covered as the debut song of the Japanese boy band "NYC" (abbreviation of its three members' names, Nakayama, Yamada, and Chinen). It was released under J Storm on April 7, 2010.

The single was released in two versions: limited edition which includes the promotional video and the jacket shooting while the regular edition comes out with instrumentals. The limited edition came with three NYC photo cards type A and the first press of the regular edition came with three NYC photo cards type B. "Yuuki 100%" was used as the fifth opening theme for the anime Nintama Rantaro'' while "Yume no Tane" its B-side was used as the 20th ending theme. It peaked at #1 on the Oricon charts and sold 120,516 copies in total in 13 weeks.

Track listing Limited Edition CD Yuuki 100% (勇気100%) Yume no Tane (ゆめのタネ) DVD Recording & Jacket Shooting Off Shot (レコーディング&ジャケット撮影オフショット)

Regular Edition Yuuki 100% (勇気100%) Yume no Tane Yuuki 100% (勇気100%) (instrumental) Yume no Tane (instrumental)

Charts and certifications

Charts Chart (1993)PeakpositionOricon weekly singles7Chart (2002)PeakpositionOricon weekly singles Ya-Ya-Yah cover9Chart (2010)PeakpositionBillboard Japan Hot 100 NYC cover1Oricon weekly singles NYC cover1

Sales and certifications Chart (1993)AmountOricon physical sales (subscription only)109,000Chart (2002)AmountOricon physical sales Ya-Ya-Yah cover59,000Chart (2010)AmountOricon physical sales NYC cover121,000RIAJ physical shipping certification NYC coverGold (100,000+)

References