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Jeong Ji-won (Korean:정지원; born May 6, 1995), better known by the stage name Wonstein (원슈타인) is a South Korean rapper and singer. He debuted in 2018 with the single "Spider Web" under the label Beautiful Noise. Wonstein achieved mainstream popularity after participating on the hip-hop competition show Show Me the Money 9 in 2020. The following year, he appeared on the reality show Hangout with Yoo, through which he became a member of the chart-topping R&B supergroup MSG Wannabe.
Career
Wonstein contributed the track "Promise" to the original soundtrack for the Netflix series Can This Love Be Translated?, which follows the romance between interpreter Joo Ho-jin and actress Cha Mu-hee. Released on January 16, 2026, the soundtrack placed three songs on the Melon OST chart as of February 2, including Wonstein's track.
↑"Tree" did not enter the Gaon Digital Chart, but it peaked at number 68 on the component Download Chart.
↑"Song For You" did not enter the Gaon Digital Chart, but peaked at number 14 and 41 on the components BGM Chart and Download Chart, respectively.
↑"Tuning In to You" did not enter the Circle Digital Chart, but peaked at number 32 and 47 on the components BGM Chart and Download Chart, respectively.
↑"Good Morning" did not enter the Gaon Digital Chart, but peaked at number 45 and 110 on the components Download Chart and BGM Chart, respectively.
↑"Blue" did not enter the Gaon Digital Chart, but peaked at number 88 on the component Download Chart.
↑"Stay With Me" did not enter the Gaon Digital Chart, but peaked at number 95 and 104 on the components Download Chart and BGM Chart, respectively.
↑Jeong, Ha-eun (August 26, 2022). 원슈타인, '자이언티 사단'서 새 출발... 스탠다드프렌즈와 전속계약[Wonstein signs an exclusive contract with Standard Friends, a subsidiary of Zion T's company]. Sports Seoul (in Korean). Retrieved August 27, 2022– via Naver.
↑Kang, Kyung-yoon (July 20, 2021). [뮤직Y] 가요계 흔든 '원슈타인 효과'. SBS Entertainment News (in Korean). Retrieved March 23, 2022.
↑Yoon, Yi-hyun (February 2, 2026). '이 사랑 통역 되나요?' OST 흥행…주요 음원 차트서 존재감[Kim Seon-ho and Go Youn-jung's "Can This Love Be Translated?" OST Dominates Major Music Charts]. BNT News (in Korean (South Korea)). Archived from the original on September 2, 2026. Retrieved September 2, 2026.
↑"Zoo". Melon (in Korean). Retrieved March 31, 2022.
↑Peak chart positions for singles on Circle Digital Chart (formerly Gaon Digital Chart):
"How Do You Play?": 2019년 43주차 Digital Chart[Digital Chart – Week 43 of 2019]. Gaon Music Chart (in Korean). October 26, 2019. Archived from the original on June 7, 2020. Retrieved March 23, 2022.
"Freak": 2020년 48주차 Digital Chart[Digital Chart – Week 48 of 2020]. Gaon Music Chart (in Korean). November 28, 2020. Archived from the original on December 3, 2020. Retrieved March 23, 2022.
"Infrared Camera": 2020년 50주차 Digital Chart[Digital Chart – Week 50 of 2020]. Gaon Music Chart. December 12, 2020. Archived from the original on December 24, 2020. Retrieved March 23, 2022.
"No Bad ": 2020년 51주차 Digital Chart[Digital Chart – Week 51 of 2020]. Gaon Music Chart. December 19, 2020. Archived from the original on December 17, 2020. Retrieved March 23, 2022.
"Friends": 2021년 10차 Digital Chart[Digital Chart – Week 10 of 2021]. Gaon Music Chart. March 6, 2021. Archived from the original on March 11, 2021. Retrieved March 23, 2022.
"Kangaroo": 2021년 24차 Digital Chart[Digital Chart – Week 24 of 2021]. Gaon Music Chart. June 12, 2021. Archived from the original on June 17, 2021. Retrieved March 23, 2022.
"Heat": 2021년 26차 Digital Chart[Digital Chart – Week 26 of 2021]. Gaon Music Chart. June 26, 2021. Archived from the original on July 1, 2021. Retrieved March 23, 2022.
"When Night Is Falling": 2021년 28차 Digital Chart[Digital Chart – Week 28 of 2021]. Gaon Music Chart. July 10, 2021. Archived from the original on July 15, 2021. Retrieved March 23, 2022.
"Love Theory": 2022년 16차 Digital Chart[Digital Chart – Week 16 of 2022]. Gaon Music Chart. April 16, 2022. Archived from the original on April 21, 2022. Retrieved April 21, 2022.
↑2021년 33주차 Download Chart[Week 33 of 2021 Download Chart]. Gaon Music Chart. August 8–14, 2021. Archived from the original on August 19, 2021. Retrieved March 23, 2022.
↑2021년 38주차 BGM Chart[Week 38 of 2021 BGM Chart]. Gaon Music Chart. September 12–18, 2021. Archived from the original on October 25, 2021. Retrieved August 7, 2022.
↑2021년 38주차 Download Chart[Week 38 of 2021 Download Chart]. Gaon Music Chart. September 12–18, 2021. Archived from the original on September 23, 2021. Retrieved March 23, 2022.
↑Kwak, Hyun-soo (October 21, 2022). 레드벨벳 조이·원슈타인 신곡 'Love Song' 21일 발매[Red Velvet Joy and Wonstein's new song "Love Song" will be released on the 21st]. YTN (in Korean). Retrieved October 21, 2022– via Naver.
↑Peak chart positions for soundtrack appearances on Circle Digital Chart (formerly Gaon Digital Chart):
"Your Existence": 2022년 13주차 Digital Chart[Digital Chart – Week 13 of 2022]. Gaon Music Chart (in Korean). March 26, 2022. Archived from the original on March 31, 2022. Retrieved April 7, 2022.
"Promise": "2026 Week 5 Digital Chart". Circle Chart (in Korean). January 25–31, 2026. Retrieved February 5, 2026.
↑Peak chart positions for soundtrack appearances on Billboard's K-pop Hot 100:
"Your Existence": "Billboard K-Pop 100". Billboard Korea. April 10–16, 2022. Archived from the original on April 12, 2022. Retrieved April 14, 2022.
↑Peak chart positions for other charted songs on Circle Digital Chart (formerly Gaon Digital Chart):
"F The World": 2021년 01주차 Digital Chart[Digital Chart – Week 1 of 2021]. Gaon Music Chart (in Korean). December 26, 2020. Archived from the original on January 7, 2021. Retrieved April 21, 2022.
"Ooh Wah": 2021년 18주차 Digital Chart[Digital Chart – Week 18 of 2021]. Gaon Music Chart (in Korean). May 1, 2021. Archived from the original on May 6, 2021. Retrieved July 29, 2022.
"I'm Gonna Love You": 2021년 31주차 Digital Chart[Digital Chart – Week 31 of 2021]. Gaon Music Chart (in Korean). July 31, 2021. Archived from the original on August 5, 2021. Retrieved March 30, 2022.
"H.S.K.T.": 2021년 38주차 Digital Chart[Digital Chart – Week 38 of 2021]. Gaon Music Chart (in Korean). September 18, 2021. Archived from the original on September 23, 2021. Retrieved March 30, 2022.
"Merry-Go-Round": 2021년 47주차 Digital Chart[Digital Chart – Week 47 of 2021]. Gaon Music Chart (in Korean). November 20, 2021. Archived from the original on November 25, 2021. Retrieved March 30, 2022.
"Super Rare": 2022년 08주차 Digital Chart[Digital Chart – Week 8 of 2022]. Gaon Music Chart (in Korean). February 19, 2022. Archived from the original on February 24, 2022. Retrieved March 30, 2022.
↑Peak chart positions for other charted songs on Billboard's K-pop Hot 100:
"F The World": "Billboard K-Pop 100". Billboard Korea. January 31, 2021. Archived from the original on February 2, 2021. Retrieved July 31, 2022.
"Good Morning": "Billboard K-Pop 100". Billboard Korea. May 30, 2021. Archived from the original on June 1, 2021. Retrieved July 31, 2022.
"Blue": "Billboard K-Pop 100". Billboard Korea. May 23–29, 2021. Archived from the original on May 25, 2021. Retrieved July 31, 2022.
"I'm Gonna Love You": "Billboard K-Pop 100". Billboard Korea. August 8, 2021. Archived from the original on August 10, 2021. Retrieved April 21, 2022.
"Stay With Me": "Billboard K-Pop 100". Billboard Korea. August 15, 2021. Archived from the original on August 18, 2021. Retrieved July 31, 2022.
"Merry-Go-Round": "Billboard K-Pop 100". Billboard Korea. December 4, 2021. Archived from the original on November 30, 2021. Retrieved April 21, 2022.
↑2021년 19주차 Download Chart[Week 19 of 2021 Download Chart]. Gaon Music Chart. May 8, 2021. Archived from the original on May 13, 2021. Retrieved August 1, 2022.
↑2021년 20주차 Download Chart[Week 20 of 2021 Download Chart]. Gaon Music Chart. May 15, 2021. Archived from the original on May 20, 2021. Retrieved August 1, 2022.
↑2021년 31주차 Download Chart[Week 31 of 2021 Download Chart]. Gaon Music Chart. July 31, 2021. Archived from the original on August 5, 2021. Retrieved August 1, 2022.
↑Sung, Do-hyun (November 17, 2022). 래퍼 원슈타인, 세이브더칠드런 홍보대사 위촉... "책임감 느껴[Rapper Wonstein appointed Save the Children public relations ambassador... "I feel responsible] (in Korean). Yonhap News Agency. Retrieved November 17, 2022– via Naver.
↑Hwang, Hyo-yi (September 6, 2022). 강태오-박은빈'·'손석구-김지원'·'이준호-이세영' 베스트커플상은?[Best Couple Award for Kang Tae-oh × Park Eun-bin, Son Seok-gu × Kim Ji-won, Lee Jun-ho × Lee Se-young?]. Sports Kyunghyang (in Korean). Kyunghyang, Co. Retrieved September 6, 2022– via Naver.