One-reeler / Act IV

One-reeler / Act IV is the fourth and final extended play by South Korean–Japanese girl group Iz*One. It was released through Off the Record Entertainment on December 7, 2020.^[1] The album is available in three versions: Scene #1, Scene #2 and Scene #3, and consists of six tracks including the lead single, "Panorama".^[2]

One-reeler / Act IV
Digital and "Scene #2 Becoming One version" cover
EP by Iz*One
Released	December 7, 2020
Recorded	2020
Genre	K-pop electropop
Language	Korean
Label	Off the Record Swing Entertainment
Producer	Jung Ho-hyun Ung Kim FAB NZ Nthonius Yoske Alive Knob Sean Oh Score Megatone Eden Iggy Yongbae
Iz*One chronology
Twelve (2020) One-reeler / Act IV (2020)
Singles from One-reeler
"Panorama" Released: December 7, 2020

Background and release

In early November, it was announced that Iz*One would be having a comeback before the end of the year.^[3] On November 17, it was confirmed that the group would release their fourth mini-album One-reeler / Act IV on December 7.^[4] Group teaser photos and individual photos began to release from November 23 onwards, showing three different concepts titling, 'The Color of Youth', 'Becoming One' and 'Stay Bold'. The first teaser image that shows a ticket with all of the members' names, along with the words "One-reeler: Act IV." The photo also features the album release date. Apart from this, a clip was also uploaded, and it presents a screen with a date that seems to be displayed through a projector. The first music video teaser was released a week later on December 2, with the highlight medley being released on the next day. Their second music video teaser was released on December 4. The clip was about 30 seconds and shows individual shots of the members while the instrumental version of "Panorama" was being played as a music background.

Fans wait in anticipation for new music to come from IZ*ONE, which has finished the 'Flower' series with "La Vie en Rose" (2018), "Violeta" (2019) and "Fiesta" (2020), followed by the mystical vibe of "Secret Story of the Swan" (2020)

— Swing Entertainment announcing One Reeler/Act IV^[5]

Promotion

The group held a two hour premier titled "IZ*ONE One-reeler Premiere" on December 7 at 6 p.m. KST that was broadcast globally through K-Pop channels such as Mnet, M2, and Mnet Kpop, as well as through different social media platforms including Stone Music's YouTube channel, Iz*One's TikTok, VLive and YouTube channel. The group also performed "Panorama" and "Sequence" during the premiere.

The group premiered "Panorama" with a performance at the 2020 Mnet Asian Music Awards on December 6.^[6]

Commercial performance

The group achieved a double crown on the week ending December 12 after topping both the physical album chart with the mini-album and the digital download chart with its title track "Panorama". The mini-album became the group second project to top the Korean albums chart after Heart*Iz (2019). Not only did the mini album debut at number one on the week's physical album chart, but the "Kit version" of the album also entered the chart separately at number five.^[7] Despite being a Korean release, the mini-album entered the top ten of the Japanese Oricon albums chart peaking at number eight.

Track listing

One-reeler / Act IV track listing

No.	Title	Lyrics	Music	Arrangement	Length
1.	"Mise-en-Scène"	Jung Ho-hyun (e.one)	Jung Ho-hyun (e.one)	Jung Ho-hyun (e.one)	3:19
2.	"Panorama"	KZ B.O. FAB	KZ Nthonius B.O. FAB Jayins Ji Ye-joon	Ung Kim FAB KZ Nthonius	3:42
3.	"Island"	YOSKE Alive Knob	YOSKE Alive Knob	YOSKE Alive Knob Sean Oh	3:13
4.	"Sequence"	Jung Ho-hyun (e.one)	Jung Ho-hyun (e.one)	Jung Ho-hyun (e.one)	3:10
5.	"O Sole Mio"	SCORE (13) MEGATONE (13) EDEN (13)	SCORE (13) MEGATONE (13) EDEN (13)	SCORE (13) MEGATONE (13) EDEN (13)	3:30
6.	"Slow Journey" (느린 여행; Neurin yeohaeng)	Iggy Yongbae Kim Chae-won	Iggy Yongbae Kim	Iggy Yongbae	3:19
Total length:					20:13

Charts

Sales chart performance of One-reeler / Act IV

Chart (2020)	Peak position
Japan Hot Albums (Billboard Japan)	11
Japanese Albums (Oricon)[8]	8
South Korean Albums (Gaon)[9]	1

Certification and sales

Region	Certification	Certified units/sales
South Korea	—	450,549[10]

Release history

Region	Date	Format	Label
South Korea	December 7, 2020	CD digital download streaming	Off the Record Entertainment Stone Music Entertainment
Various		Digital download streaming

References

1. "'12월 7일 컴백' 아이즈원, 미니 4집 '원릴러' 마지막 콘셉트 포토 공개". Hankook Kyungje (in Korean). November 29, 2020. Retrieved November 28, 2020 – via Naver.
2. "IZ*ONE 4th Mini Album 'One-reeler' / Act IV Track List". IZ*ONE. Retrieved November 29, 2020.
3. Hwang, Ji-young (November 10, 2020). "아이즈원, 12월 컴백…막바지 앨범 작업 중 [공식]". Naver (in Korean). Retrieved November 10, 2020.
4. "[단독] 아이즈원, 12월 7일 컴백 확정". Naver (in Korean). November 17, 2020. Retrieved November 17, 2020.
5. "IZ* Girl group IZ*ONE to drop fourth EP "One-reeler" on Dec. 7". koreajoongangdaily. 23 November 2020. Retrieved January 15, 2021.
6. "Premiere of Comeback Mini-Album 'One-reeler: Act IV'". Kpopstarz. Retrieved January 15, 2021.
7. "IZ*ONE, BLACKPINK, And "Show Me The Money 9" Rappers Top Gaon Weekly Charts". Soompi. 17 December 2020. Retrieved January 15, 2021.
8. "オリコン週間 アルバムランキング 2020年12月07日～2020年12月13日". Oricon (in Japanese). Retrieved December 26, 2020.
9. "Gaon Album Chart – Week 50, 2020". Gaon Chart (in Korean). Retrieved December 23, 2020.
10. "2020년 Album Chart" [Year 2020 Album Chart]. Gaon Music Chart.