Against the World (EP)

Against the World
Against the World
	Digital cover
EP by Kep1er
Released	April 30, 2025
Genre	J-pop
Length	14:23
Language	Japanese
Label	WakeOne; Ariola Japan; Klap;
Kep1er chronology
Singles from Against the World
	"Yum"; Released: April 9, 2025;

Against the World is the first Japanese extended play and seventh overall by South Korean girl group Kep1er. It was released by WakeOne and Ariola Japan on April 30, 2025, and contains five tracks including the title track "Yum".

Background

On January 6, 2025, WakeOne announced Kep1er's then untitled first Japanese EP, which will be released on April 30.^[1]^[2] On January 15, it was announced that the EP will contain five tracks, including two original Japanese tracks, and the Japanese version of "Shooting Star" and "Problem" from their first Korean studio album Kep1going On, and "Tipi-tap" from their sixth EP of the same name.^[3] Pre-order for the EP began on the same day.^[4] The name of the EP, Against the World, was unveiled on February 3.^[5] On February 17, the names of the two original Japanese songs, "Yum" and "Hell or Heaven", were revealed, with "Yum" serving as the title track.^[6] "Yum" was released on April 9.^[7]

Track listing

Track listing for *Against the World*
No.	Title	Lyrics	Music	Arrangement	Length
1.	"Yum"	Yumika Kondo Tsingtao Kana Koizumi Rose Blueming	Nthonius Meisobo KZ Dint Coomo	Nthonius Meisobo	2:29
2.	"Hell or Heaven"	Sorano Jinli (Full8loom)	Jinli (Full8loom) Glory Face Bang Gun Woo (Full8loom) Keejun (Full8loom)	Glory Face Bang Gun Woo (Full8loom) Keejun (Full8loom)	2:54
3.	"Tipi-tap" (Japanese version)	Se.A 1Zone Rid Kruger Spoon (153/Joombas) Youha B&NAz (153/Joombas) Ee-hwa (MUMW) Ee-mog (Jamfactory) Subbit (ARTiffect) Maria Marcus Arineh Karmi	Se.A Lee Won-jong Kruger Youha	Lee W. Kruger	2:52
4.	"Shooting Star" (Japanese version)	Kevin_D (D_answer) Im Su-ran Lee Seu-ran Dayeon	Kevin_D (D_answer) Ddank (D_answer) Zamun (D_answer) Livy	Kevin_D (D_answer) Ddank (D_answer) Zamun (D_answer)	3:04
5.	"Problem" (Japanese version)	Charlie (153/Joombas)	Kevin_D (D_answer) Ddank (D_answer) Zamun (D_answer) Christian Fast Julie Yu	Kevin_D (D_answer) Ddank (D_answer) Zamun (D_answer)	3:02
Total length:					14:23

Charts

Weekly charts

Weekly chart performance for *Against the World*
Chart (2025)	Peak position
Japanese Albums (Oricon)^[8]	2
Japanese Combined Albums (Oricon)^[9]	2
Japanese Hot Albums (Billboard Japan)^[10]	10

Monthly charts

Monthly chart performance for *Against the World*
Chart (2025)	Position
Japanese Albums (Oricon)^[11]	13

Release history

Release history and formats for *Against the World*
Region	Date	Format	Label
Various	April 30, 2025	Digital download streaming	WakeOne Ariola Klap
Japan	April 30, 2025	CD	WakeOne Ariola

References

^ Kep1er、約1年ぶり日本作品発売決定「今までとはまた違った魅力を」オフラインイベントも開催 [Kep1er to release first Japanese work in about a year "A different charm from before" Offline event also held] (in Japanese). Oricon. January 6, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.
^ Kep1er、約1年ぶりとなる日本オリジナル作品のリリース決定 [Kep1er to release first original Japanese work in about a year]. Billboard Japan (in Japanese). January 6, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.
^ 4月30日(水)発売のKep1er Japan 1st EP <タイトル未定> 商品概要&店舗別特典を公開! [Kep1er Japan 1st EP <title undecided> to be released on Wednesday, April 30th. Product details and store-specific benefits have been revealed!]. Kep1er Japan Official. January 15, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.
^ @SonyMusicShop (January 15, 2025). Kep1er Japan 1st EP ご予約受付スタート [Kep1er Japan 1st EP pre-order now open] (Tweet). Retrieved January 16, 2025 – via Twitter.
^ Kep1er、Japan 1st EPのタイトル決定＆最新ビジュアル公開 [Kep1er announces title of Japan 1st EP and releases latest visuals]. Billboard Japan (in Japanese). February 3, 2025. Retrieved February 4, 2025.
^ @kep1er_jp (February 17, 2025). 4/30(水)発売のKep1er Japan 1st EP <AGAINST THE WORLD> 収録曲が決定 [The tracklist for Kep1er's Japan 1st EP <AGAINST THE WORLD>, which will be released on 4/30 (Wed), has been decided] (Tweet). Retrieved February 17, 2025 – via Twitter.
^ Kep1er、ユーモア溢れる「Yum」MVで華麗なパフォーマンス [Kep1er delivers a brilliant performance in the humorous "Yum" music video]. Billboard Japan (in Japanese). April 9, 2025. Archived from the original on April 9, 2025. Retrieved April 19, 2025.
^ "Oricon Top 50 Albums: 2025-05-12" (in Japanese). Oricon. Retrieved May 7, 2025.
^ "Oricon Top 50 Combined Albums: 2025-05-12" (in Japanese). Oricon. Archived from the original on May 8, 2025. Retrieved May 8, 2025.
^ "Billboard Japan Hot Albums – Week of May 7, 2025". Billboard Japan (in Japanese). Retrieved May 8, 2025.
^ オリコン月間アルバムランキング 2025年04月度 [Oricon Monthly Album Rankings April 2025] (in Japanese). Oricon. Archived from the original on May 14, 2025. Retrieved May 17, 2025.

[1] Kep1er、約1年ぶり日本作品発売決定「今までとはまた違った魅力を」オフラインイベントも開催 [Kep1er to release first Japanese work in about a year "A different charm from before" Offline event also held] (in Japanese). Oricon. January 6, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.

[2] Kep1er、約1年ぶりとなる日本オリジナル作品のリリース決定 [Kep1er to release first original Japanese work in about a year]. Billboard Japan (in Japanese). January 6, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.

[3] 4月30日(水)発売のKep1er Japan 1st EP <タイトル未定> 商品概要&店舗別特典を公開! [Kep1er Japan 1st EP <title undecided> to be released on Wednesday, April 30th. Product details and store-specific benefits have been revealed!]. Kep1er Japan Official. January 15, 2025. Archived from the original on January 15, 2025. Retrieved January 15, 2025.

[4] @SonyMusicShop (January 15, 2025). Kep1er Japan 1st EP ご予約受付スタート [Kep1er Japan 1st EP pre-order now open] (Tweet). Retrieved January 16, 2025 – via Twitter.

[5] Kep1er、Japan 1st EPのタイトル決定＆最新ビジュアル公開 [Kep1er announces title of Japan 1st EP and releases latest visuals]. Billboard Japan (in Japanese). February 3, 2025. Retrieved February 4, 2025.

[6] @kep1er_jp (February 17, 2025). 4/30(水)発売のKep1er Japan 1st EP <AGAINST THE WORLD> 収録曲が決定 [The tracklist for Kep1er's Japan 1st EP <AGAINST THE WORLD>, which will be released on 4/30 (Wed), has been decided] (Tweet). Retrieved February 17, 2025 – via Twitter.

[7] Kep1er、ユーモア溢れる「Yum」MVで華麗なパフォーマンス [Kep1er delivers a brilliant performance in the humorous "Yum" music video]. Billboard Japan (in Japanese). April 9, 2025. Archived from the original on April 9, 2025. Retrieved April 19, 2025.

[ac_Oricon_-8] "Oricon Top 50 Albums: 2025-05-12" (in Japanese). Oricon. Retrieved May 7, 2025.

[9] "Oricon Top 50 Combined Albums: 2025-05-12" (in Japanese). Oricon. Archived from the original on May 8, 2025. Retrieved May 8, 2025.

[10] "Billboard Japan Hot Albums – Week of May 7, 2025". Billboard Japan (in Japanese). Retrieved May 8, 2025.

[11] オリコン月間アルバムランキング 2025年04月度 [Oricon Monthly Album Rankings April 2025] (in Japanese). Oricon. Archived from the original on May 14, 2025. Retrieved May 17, 2025.

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