=== 2018: Debut Korea dengan ''Color*Iz'' ===
[[File:181128 아이즈원(IZ*ONE) '2018 Asia Artist Awards(AAA)' 시상식 레드카펫.jpg|thumb|Iz*One di 2018 [[Asia Artist Awards]]|300x300px]]
Debut grup [[extended play]] (album mini) '' [[Color Iz]] '' dirilis pada 29 Oktober 2018, dengan "[[La Vie en Rose (lagu Iz*One)|La Vie enEn Rose]]" sebagai single utamanya. <ref>{{cite web|url=https://entertain.naver.com/read?oid=421&aid=0003570820|title=[단독] "국민 픽" 아이즈원, 10월 29일 데뷔 확정...본격 韓日 걸그룹|work=News1|date=September 4, 2018|access-date=September 9, 2018|language=ko}}</ref><ref>{{cite web|url=https://entertain.naver.com/read?oid=468&aid=0000422783|title=[단독]프듀48 '아이즈원', 첫 일정 'AKB48 프로듀서와 상견례'...4일 일본行|work=Sports Seoul|date=September 2, 2018|access-date=September 3, 2018|language=ko}}</ref><ref>{{cite web|url=http://www.topstarnews.net/news/articleView.html?idxno=500266|title=아이즈원, 첫 미니 앨범 '컬러아이즈' 오피셜 포토 공개...'채연-민주-채원-히토미'|work=Top Star News|date=October 14, 2018|access-date=October 14, 2018|language=ko}}</ref> Konser showcase debut, berjudul '' Color * Iz Show- Con '', diadakan sehubungan dengan perilisan album di [[Olympic Hall]] di Seoul, Korea Selatan, di mana tiket showcase terjual habis dalam satu menit sedang diobral. <ref>{{cite web|url=http://star.mbn.co.kr/view.php?year=2018&no=643072|title=아이즈원 측 "29일 쇼콘으로 데뷔 확정"(공식입장)|website=MBN|last=Ahn|first=Yun-ji|access-date=October 29, 2018|date=October 16, 2018|language=ko}}</ref><ref>{{cite web|url=https://entertain.naver.com/read?oid=109&aid=0003885850|title=아이즈원, 데뷔 쇼콘 1분만에 전석 매진..'동시접속자 15만 육박'[공식입장]|work=OSEN|access-date=October 29, 2018|date=October 19, 2018|language=ko}}</ref> Pertunjukan program musik pertama Iz * One ditayangkan pada 1 November di ''M Countdown'' Mnet. <ref>{{cite web|url=http://sports.donga.com/3/all/20181101/92682646/1|title='엠카' 아이즈원 데뷔부터 서인영·장기하·JBJ95 컴백까지|website=Sports DongA|access-date=November 5, 2018|date=November 1, 2018|language=ko}}</ref> Mereka mengumpulkan kemenangan program musik pertama mereka seminggu kemudian di '' M Countdown '', sepuluh hari setelah debut resmi mereka, dan memecahkan rekor untuk girl grup tercepat yang menerima kemenangan program musik pada saat itu. <ref name="auto">{{cite web|url=https://entertain.naver.com/read?oid=109&aid=0003900292|access-date=November 8, 2018|website=OSEN |date=November 8, 2018|title=아이즈원, '엠카' 1위로 데뷔 첫 트로피..트와이스·케이윌 컴백 [종합]|language=Ko}}</ref> Album mini mencatat penjualan lebih dari 34.000 unit di hari pertama rilis, menetapkan rekor baru untuk jumlah album tertinggi yang terjual pada hari pertama rilis debut girl grup, <ref>{{Cite news|url=https://entertain.naver.com/now/read?oid=109&aid=0003892872|title="역시 아이즈원"...하루만에 역대 걸그룹 데뷔앨범 초동 신기록 달성|work=OSEN|access-date=October 30, 2018|date=October 30, 2018|language=ko}}</ref><ref>{{Cite news|url=https://entertain.naver.com/now/read?oid=018&aid=0004238234|title=아이즈원 데뷔곡 멜론 9위...주요 차트 상위권 안착|work=EDaily|access-date=October 30, 2018|date=October 30, 2018|language=ko}}</ref> sementara video musik untuk singel utama "La Vie en Rose" mencapai lebih dari 4,5 {{nbsp}} juta penayangan dalam waktu 24 jam sejak dirilis di [[YouTube|Youtube]], menjadikannya video musik debut yang paling banyak ditonton oleh artis Korea di 24 jam setiap saat. <ref>{{cite web|url=https://entertain.naver.com/read?oid=081&aid=0002952811|title=아이즈원, 데뷔 그룹 신기록... '라비앙로즈' MV 24시간 455만뷰|work=Seoul Newspaper|access-date=October 30, 2018|date=October 30, 2018|language=ko}}</ref> Album mini memuncak kedua di [[Gaon Album Chart]] dan terjual lebih dari 225.000 eksemplar. <ref>{{cite web|url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=44&hitYear=2018&termGbn=week|title=''Color*Iz'' charting peak (see #2)|website=[[Gaon Music Chart|Gaon Chart]]|language=ko|access-date=November 15, 2018}}</ref><ref> Cumulative sales of ''Color*Iz'':<!--192,738 (2018) + 17,673 (Feb 2019) + 14,990 (Kino)-->
* {{cite web|url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=11&hitYear=2018&termGbn=month|title=''Color*Iz'' (Kino) latest sales (see #48)|language=ko|work=Gaon|access-date=January 11, 2019}}
* {{cite web|url=http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=2018&hitYear=2018&termGbn=year|title=''Color*Iz'' 2018 sales (see #24)|language=ko|work=Gaon|access-date=January 11, 2019}}
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