Yūki 100%

"Yūki 100%" (勇気100%, Yūki Hyaku Pāsento, "Courage 100%") 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.^[1]

"Yūki 100%"
Single by Hikaru Genji
from the album Heart'n Hearts
Released	May 13, 1993 (1993-05-13)
Genre	J-pop
Length	4:10
Label	Pony Canyon
Songwriter(s)	Gorō Matsui, Kōji Makaino
Producer(s)	Kōji Makaino
Hikaru Genji singles chronology
"Kimi to Subayaku Slowly" (1993) "Yūki 100%" (1993) "Boys in August" (1993)

The song has been re-used four times as the Nintama Rantarō 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

No.	Title	Length
1.	"Yūki 100%"	4:10
2.	"Hohoemi o Azukete" (微笑みをあずけて "Keep Your Smile with Me")	3:20
3.	"Yūki 100% (Minus Lead Vocal)"	4:10
4.	"Hohoemi o Azukete (Minus Lead Vocal)"	3:20
Total length:		15:00

All tracks are written by Gorō Matsui and Kōji Makaino.

NYC cover

"Yūki 100%"
Single by NYC
Released	April 7, 2010
Recorded	2010
Genre	J-pop
Label	Johnny's Entertainment
Songwriter(s)	Gorō Matsui, Kōji Makaino
NYC singles chronology
"NYC(sky high)" (2009) "Yūki 100%" (2010) "Yoku Asobi Yoku Manabe" (2010)
Limited Edition 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

1. Yuuki 100% (勇気100%)
2. Yume no Tane (ゆめのタネ)

DVD

1. 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

1. Yuuki 100% (勇気100%)
2. Yume no Tane
3. Yuuki 100% (勇気100%) (instrumental)
4. Yume no Tane (instrumental)

Charts and certifications

Charts Chart (1993) Peak position Oricon weekly singles[2] 7 Chart (2002) Peak position Oricon weekly singles[3] Ya-Ya-Yah cover 9 Chart (2010) Peak position Billboard Japan Hot 100[4] NYC cover 1 Oricon weekly singles[5] NYC cover 1

Sales and certifications Chart (1993) Amount Oricon physical sales[6] 109,000 Chart (2002) Amount Oricon physical sales[6] Ya-Ya-Yah cover 59,000 Chart (2010) Amount Oricon physical sales[6] NYC cover 121,000 RIAJ physical shipping certification[7] NYC cover Gold (100,000+)