I. Introduction
Ong Seong Wu (옹성우; or simply Seong Wu) is a South Korean singer and actor under Fantagio Music. He is best known for finishing 5th in Produce 101 Season 2 and becoming a member of Wanna One. He made his solo debut on March 25, 2020 with his first mini album Layers.
Following Wanna One's disbandment, Ong made his acting debut with cast At Eighteen (2019). Ong also established his career as a solo artist with the release of his first extended play, Layers, on March 25, 2020.
Despite being an acting trainee, Ong was sent as a representative by his company to participate in Produce 101 (season 2) due to his well-rounded skills in singing and dancing. He achieved an 'A' rank in the evaluations and finished in fifth place in the finale with 984,756 votes. As part of the top eleven contestants, he would go on to debut as a member of Wanna One.
His contract with Wanna One ended on December 31, 2018. However, he continued to appear with the group until its official farewell concerts on January 24–27, 2019.
Upon conclusion of his activities with Wanna One, Ong embarked on his first solo fan-meeting tour, titled "Eternity", in March and April 2019. On March 7, 2019, he was also named PR Ambassador of the Incheon Metropolitan City Office of Education.
As part of Pepsi and Starship Entertainment's 2019 Pepsi K-Pop Collab Project, Ong released the single "Heart Sign". The track was written by producers Flowblow, who penned Wanna One's hit debut single, "Energetic". The music video was released on June 11, 2019.
In January 2020, Ong kicked off his second solo fan-meeting tour, titled "We Belong". The digital single "We Belong" was released on January 9. Intended as a fan-song, Ong participated in both the lyric writing and composition of the single, and performed it on the first time during the Seoul leg of his tour on January 11.
II. Discography
Ong made his comeback as a singer with his first solo album, Layers. The EP was released on March 25, together with lead single, "Gravity". Ong took part in the composition and lyric writing of all the songs on the album, drawing his inspiration from his emotions and stories from the past year.
| Title | Details | Peak Chart Positions | Sales |
| Layers | Released: March 25, 2020 Label: Fantagio Music Formats: CD, digital download, streaming Track listing: 1. Gravity 2. Café (너를 위한 카페) 3. After Dark (또, 다시 나를 마주한 채) 4. Bye Bye 5. After Dark 6. We Belong |
3 | KOR: 70,106 |
Singles:
| Title | Year | Peak Chart Positions | Album |
| "Heart Sign" (Prod. Flow Blow) | 2019 | 106 | Non-album single |
| "We Belong" | 2020 | — | Layers |
| "Gravity" | 2020 | 107 | Layers |
Soundtrack Appearances:
| Title | Year | Peak Chart Positions | Album |
| "Our Story" (우리가 만난 이야기) | 2019 | — | At Eighteen OST |
| "Late Regret" (왜 몰랐었을까) | 2020 | — | More Than Friends OST |
III. Collaborations
Ong collaborated with singer Baek Ji-young on the duet "Didn't Say Anything". The ballad was released on May 12.
| Title | Year | Peak Chart Positions | Album |
|
"Didn't Say Anything" (아무런 말들도) (with Baek Ji-young) (Spotify) |
2020 | 51 | Non-album single |
IV. Music Videos
V. Filmography
Film:
| Year | Title | Role | Notes |
| 2017 | Seong-wu is Alright | Seong-wu | Short film |
| 2021 | Life is Beautiful | Jung-woo | |
| TBA | Jung's Ranch | Kang Jung-hoon |
Television Series:
Ong made his acting debut in the later half of the year, starring as the male lead in JTBC's youth drama At Eighteen, alongside Kim Hyang-gi and Shin Seung-ho.
He garnered many positive reviews for his emotive acting, and went on to nab several awards for the role, including Best Rookie Award and Hallyu Star Award at the Korea Drama Awards. Ong also recorded the song "Our Story" as part of the official soundtrack for the drama, which was released on August 8, 2019.
| Year | Title | Role | Network | Notes |
| 2017 | Idol Fever | Himself | Naver TV Cast | Cameo (Ep 1-2) |
| 2019 | At Eighteen | Choi Jun-woo | JTBC | Lead role |
| 2020 | More Than Friends | Lee Soo | JTBC | Lead role |
VI. Gallery
VII. Trivia
He was born in Incheon, South Korea
He went to Hanlim Multi Art School in Seoul
Seongwoo used to have multiple part-time jobs. He used to work at a cafe, and as a model
Ong Seongwoo and BTOB’s Sungjae were classmates.
Ong and Astro’s Jin Jin attended the same school but Ong is a senior. From there, they become close to each other.
