Peak positions for single albums on Gaon Album Chart:
"Into the Light". Gaon Music Chart (dalam bahasa Korea). May 22–28, 2022. Diarkibkan daripada yang asal pada June 2, 2022. Dicapai pada June 2, 2022.
"2022년 05월 Album Chart" [May 2022 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada June 9, 2022. Dicapai pada June 9, 2022.
Peak positions on Gaon Album Chart:
"Vanilla". Gaon Music Chart (dalam bahasa Korea). June 6–12, 2021. Diarkibkan daripada yang asal pada June 17, 2021. Dicapai pada June 17, 2021.
"2021년 07월 Album Chart" [July 2021 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada August 12, 2021. Dicapai pada August 12, 2021.
"2021년 11월 Album Chart" [November 2021 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada December 9, 2021. Dicapai pada December 9, 2021.
Peaks on the Gaon Download Chart:
"Vanilla": "2021년 24주차 Download Chart" [Week 24 of 2021 Download Chart]. Gaon Music Chart (dalam bahasa Korea). June 6–12, 2021. Diarkibkan daripada yang asal pada June 17, 2021. Dicapai pada June 17, 2021.
kbs.co.kr
theunit.kbs.co.kr
"KBS 아이돌 리부팅 프로젝트 더 유닛 - 유닛순위" [KBS Idol Reboot Project The Unit - Unit Ranking]. Korea Broadcasting System (dalam bahasa Korea). Diarkibkan daripada yang asal pada January 13, 2018. Dicapai pada May 27, 2021.
"Produce 48 – Week 7". Mnet (dalam bahasa Korea). Diarkibkan daripada yang asal pada September 15, 2018. Dicapai pada May 27, 2021.
naver.com
entertain.naver.com
Baek Ji-eun (April 15, 2021). "[공식] 큐브, 新 걸그룹 '라잇썸' 론칭…(여자)아이들 이후 3년만" [[Official] Cube launches new girl group 'Lightsum'... 3 years after (G)I-dle]. Naver (dalam bahasa Korea). Sports Chosun. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021.
Kang Jin-ah (June 10, 2021). "'라잇썸' 초원 "'프로듀스48' 조작, 상실감 없었다면 거짓말"" ['Lightsum' Chowon "The manipulation of 'Produce 48' would be a lie if there was no sense of loss"] (dalam bahasa Korea). Newsis. Diarkibkan daripada yang asal pada August 28, 2021. Dicapai pada August 28, 2021 – melalui Naver.
Kim Mi-ji (November 18, 2020). ""아이즈원 멤버였는데"…조작에 인생 바뀐 이가은·한초원 향한 관심 [엑's 초점]" ["I was a member of IZone" ... interest in Lee Ga-eun and Han Cho-won who changed their life due to manipulation [X's focus]] (dalam bahasa Korea). X-sports News. Diarkibkan daripada yang asal pada April 21, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Ji, Seung-hoon (April 15, 2021). "큐브 새 걸그룹 'LIGHTSUM(라잇썸)', 로고 공개...본격 데뷔 시동" [Cube's new girl group 'LIGHTSUM', logo released ... full-scale debut start] (dalam bahasa Korea). YTN. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Jeon Hyo-jin (April 19, 2021). "큐브 신인 라잇썸, 멤버 주현X상아 프로필 공개" [Cube rookie Lightsome, member Joohyun X Sanga profile revealed] (dalam bahasa Korea). Sports Donga. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Ji Min-kyung (April 20, 2021). "큐브 新걸그룹 라잇썸, 두 번째 프로필 공개..'프듀48' 한초원 멤버 확정 [공식]" [Cube's new girl group Lightsome reveals second profile ... 'Produce 48' Han Chowon member confirmed [Official]] (dalam bahasa Korea). Osen. Diarkibkan daripada yang asal pada April 20, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Sun-myeong (April 21, 2021). "큐브 엔터 새 그룹 '라잇썸' 나영·휘연, 얼굴 공개" [Cube Entertainment's new group 'Lightsum' Nayoung and Hwiyeon reveal their faces] (dalam bahasa Korea). Sports Kyunghyang. Diarkibkan daripada yang asal pada April 21, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Baek Ji-eun (April 22, 2021). "[공식] '큐브 新 걸그룹' 라잇썸, '프듀48' 유정-히나 공개" [[Official] 'Cube's new girl group' Lightsum, 'Produce 48' Yoojung-Hina revealed] (dalam bahasa Korea). Sports Chosun. Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Min-ji (April 23, 2021). "큐브 新 8인조 걸그룹 라잇썸, 단체 프로필 공개 '데뷔 초읽기'" [Cube's new 8-member girl group Lightsome, unveils group profile 'Countdown to debut'] (dalam bahasa Korea). Newsen. Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Seung-Hoon (May 27, 2021). "'큐브 신인' 라잇썸, 6월 10일 데뷔 확정..'Vanilla' 아트워크 티저 오픈 [공식]" ['Cube Rookie' Lightsome, debut confirmed on June 10th..'Vanilla' artwork teaser open [Official]] (dalam bahasa Korea). Osen. Diarkibkan daripada yang asal pada May 27, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Kim Min-ji (June 11, 2021). "큐브 신인 라잇썸, '엠카'서 성공적 데뷔 무대...상큼+발랄" [Cube rookie Lightsome, successful debut stage in 'Mcar' ... refreshing + lively] (dalam bahasa Korea). News1. Diarkibkan daripada yang asal pada June 12, 2021. Dicapai pada June 12, 2021 – melalui Naver.
Cho Hyejin (September 24, 2021). 라잇썸, 10월 13일 컴백…두 번째 싱글 '라잇 어 위시' 발매 [Lightsom, comeback on October 13th... Release of the second single 'Light a Wish']. Xports News. Diarkibkan daripada yang asal pada September 24, 2021. Dicapai pada September 24, 2021.
Kim, Ye-na (May 9, 2022). "라잇썸, 7개월 만에 컴백...24일 미니 1집 '인투 더 라이트' 발표" [Lightsum, comeback after 7 months...The 1st mini album 'Into the Light' was released on the 24th] (dalam bahasa Korea). Yonhap News Agency. Diarkibkan daripada yang asal pada September 24, 2021. Dicapai pada May 9, 2022 – melalui Naver.
Go, Ah-ra (July 26, 2023). "'퀸덤퍼즐 탈락 5人' 상아-채린-주이-서연-소은, 우리 다시 만나![엑's HD화보]" ['5 people eliminated from Queendom Puzzle' Sang-ah, Chae-rin, Joo-i, Seo-yeon and So-eun, we meet again! [X's HD pictorial]] (dalam bahasa Korea). X-ports News. Diarkibkan daripada yang asal pada July 27, 2023. Dicapai pada September 18, 2023 – melalui Naver.
Lee, Seung-hoon (September 21, 2023). "라잇썸, 레트로 품고 컴백..미니 2집 아트워크 티저 오픈" [Lightsum, comeback with retro vibes...2nd mini album artwork teaser revealed] (dalam bahasa Korea). MT Star News. Diarkibkan daripada yang asal pada September 22, 2023. Dicapai pada September 22, 2023 – melalui Naver.
newsen.com
Kim Ye-eun (September 8, 2018). "'댄싱하이' 비가 극찬한 이주현 "큐브 연습생, 어렸을 때부터 춤 좋아해"" ['Dancing High' Rain praised Lee Joo-hyun, "Cube trainee, I like dancing since I was little"]. Newsen (dalam bahasa Korea). Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021.
Baek Ji-eun (April 15, 2021). "[공식] 큐브, 新 걸그룹 '라잇썸' 론칭…(여자)아이들 이후 3년만" [[Official] Cube launches new girl group 'Lightsum'... 3 years after (G)I-dle]. Naver (dalam bahasa Korea). Sports Chosun. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021.
"KBS 아이돌 리부팅 프로젝트 더 유닛 - 유닛순위" [KBS Idol Reboot Project The Unit - Unit Ranking]. Korea Broadcasting System (dalam bahasa Korea). Diarkibkan daripada yang asal pada January 13, 2018. Dicapai pada May 27, 2021.
"Produce 48 – Week 7". Mnet (dalam bahasa Korea). Diarkibkan daripada yang asal pada September 15, 2018. Dicapai pada May 27, 2021.
Kang Jin-ah (June 10, 2021). "'라잇썸' 초원 "'프로듀스48' 조작, 상실감 없었다면 거짓말"" ['Lightsum' Chowon "The manipulation of 'Produce 48' would be a lie if there was no sense of loss"] (dalam bahasa Korea). Newsis. Diarkibkan daripada yang asal pada August 28, 2021. Dicapai pada August 28, 2021 – melalui Naver.
Kim Ye-eun (September 8, 2018). "'댄싱하이' 비가 극찬한 이주현 "큐브 연습생, 어렸을 때부터 춤 좋아해"" ['Dancing High' Rain praised Lee Joo-hyun, "Cube trainee, I like dancing since I was little"]. Newsen (dalam bahasa Korea). Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021.
Kim Mi-ji (November 18, 2020). ""아이즈원 멤버였는데"…조작에 인생 바뀐 이가은·한초원 향한 관심 [엑's 초점]" ["I was a member of IZone" ... interest in Lee Ga-eun and Han Cho-won who changed their life due to manipulation [X's focus]] (dalam bahasa Korea). X-sports News. Diarkibkan daripada yang asal pada April 21, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Ji, Seung-hoon (April 15, 2021). "큐브 새 걸그룹 'LIGHTSUM(라잇썸)', 로고 공개...본격 데뷔 시동" [Cube's new girl group 'LIGHTSUM', logo released ... full-scale debut start] (dalam bahasa Korea). YTN. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Jeon Hyo-jin (April 19, 2021). "큐브 신인 라잇썸, 멤버 주현X상아 프로필 공개" [Cube rookie Lightsome, member Joohyun X Sanga profile revealed] (dalam bahasa Korea). Sports Donga. Diarkibkan daripada yang asal pada April 19, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Ji Min-kyung (April 20, 2021). "큐브 新걸그룹 라잇썸, 두 번째 프로필 공개..'프듀48' 한초원 멤버 확정 [공식]" [Cube's new girl group Lightsome reveals second profile ... 'Produce 48' Han Chowon member confirmed [Official]] (dalam bahasa Korea). Osen. Diarkibkan daripada yang asal pada April 20, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Sun-myeong (April 21, 2021). "큐브 엔터 새 그룹 '라잇썸' 나영·휘연, 얼굴 공개" [Cube Entertainment's new group 'Lightsum' Nayoung and Hwiyeon reveal their faces] (dalam bahasa Korea). Sports Kyunghyang. Diarkibkan daripada yang asal pada April 21, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Baek Ji-eun (April 22, 2021). "[공식] '큐브 新 걸그룹' 라잇썸, '프듀48' 유정-히나 공개" [[Official] 'Cube's new girl group' Lightsum, 'Produce 48' Yoojung-Hina revealed] (dalam bahasa Korea). Sports Chosun. Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Min-ji (April 23, 2021). "큐브 新 8인조 걸그룹 라잇썸, 단체 프로필 공개 '데뷔 초읽기'" [Cube's new 8-member girl group Lightsome, unveils group profile 'Countdown to debut'] (dalam bahasa Korea). Newsen. Diarkibkan daripada yang asal pada April 23, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Lee Seung-Hoon (May 27, 2021). "'큐브 신인' 라잇썸, 6월 10일 데뷔 확정..'Vanilla' 아트워크 티저 오픈 [공식]" ['Cube Rookie' Lightsome, debut confirmed on June 10th..'Vanilla' artwork teaser open [Official]] (dalam bahasa Korea). Osen. Diarkibkan daripada yang asal pada May 27, 2021. Dicapai pada May 27, 2021 – melalui Naver.
Kim Min-ji (June 11, 2021). "큐브 신인 라잇썸, '엠카'서 성공적 데뷔 무대...상큼+발랄" [Cube rookie Lightsome, successful debut stage in 'Mcar' ... refreshing + lively] (dalam bahasa Korea). News1. Diarkibkan daripada yang asal pada June 12, 2021. Dicapai pada June 12, 2021 – melalui Naver.
Cho Hyejin (September 24, 2021). 라잇썸, 10월 13일 컴백…두 번째 싱글 '라잇 어 위시' 발매 [Lightsom, comeback on October 13th... Release of the second single 'Light a Wish']. Xports News. Diarkibkan daripada yang asal pada September 24, 2021. Dicapai pada September 24, 2021.
Kim, Ye-na (May 9, 2022). "라잇썸, 7개월 만에 컴백...24일 미니 1집 '인투 더 라이트' 발표" [Lightsum, comeback after 7 months...The 1st mini album 'Into the Light' was released on the 24th] (dalam bahasa Korea). Yonhap News Agency. Diarkibkan daripada yang asal pada September 24, 2021. Dicapai pada May 9, 2022 – melalui Naver.
Go, Ah-ra (July 26, 2023). "'퀸덤퍼즐 탈락 5人' 상아-채린-주이-서연-소은, 우리 다시 만나![엑's HD화보]" ['5 people eliminated from Queendom Puzzle' Sang-ah, Chae-rin, Joo-i, Seo-yeon and So-eun, we meet again! [X's HD pictorial]] (dalam bahasa Korea). X-ports News. Diarkibkan daripada yang asal pada July 27, 2023. Dicapai pada September 18, 2023 – melalui Naver.
Lee, Seung-hoon (September 21, 2023). "라잇썸, 레트로 품고 컴백..미니 2집 아트워크 티저 오픈" [Lightsum, comeback with retro vibes...2nd mini album artwork teaser revealed] (dalam bahasa Korea). MT Star News. Diarkibkan daripada yang asal pada September 22, 2023. Dicapai pada September 22, 2023 – melalui Naver.
Peak positions for single albums on Gaon Album Chart:
"Into the Light". Gaon Music Chart (dalam bahasa Korea). May 22–28, 2022. Diarkibkan daripada yang asal pada June 2, 2022. Dicapai pada June 2, 2022.
"2022년 05월 Album Chart" [May 2022 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada June 9, 2022. Dicapai pada June 9, 2022.
Peak positions on Gaon Album Chart:
"Vanilla". Gaon Music Chart (dalam bahasa Korea). June 6–12, 2021. Diarkibkan daripada yang asal pada June 17, 2021. Dicapai pada June 17, 2021.
"2021년 07월 Album Chart" [July 2021 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada August 12, 2021. Dicapai pada August 12, 2021.
"2021년 11월 Album Chart" [November 2021 Album Chart]. Gaon Music Chart (dalam bahasa Korea). Diarkibkan daripada yang asal pada December 9, 2021. Dicapai pada December 9, 2021.
Peaks on the Gaon Download Chart:
"Vanilla": "2021년 24주차 Download Chart" [Week 24 of 2021 Download Chart]. Gaon Music Chart (dalam bahasa Korea). June 6–12, 2021. Diarkibkan daripada yang asal pada June 17, 2021. Dicapai pada June 17, 2021.
Peak chart positions on World Digital Song Sales Chart:
"Vanilla". Billboard. June 20–26, 2021. Diarkibkan daripada yang asal pada June 22, 2021. Dicapai pada June 24, 2021.
