# Yeo One

Yeo Chang-gu (Korean: 여창구; born March 27, 1996), better known by his stage name Yeo One, is a South Korean singer and actor. He debuted as a vocalist in a South Korean boy group Pentagon in October 2016. Aside from group activities as singer, he has also starred in various television and web dramas.

## Early life

Yeo One was born on March 27, 1996, in Daejeon, South Korea. He was a member of a school band and actively participated in band competitions.

## Career
### Pre-debut

In December 2013, Yeo One participated in a special dance performance alongside future bandmates Hui, E'Dawn, and Kino at the KBS Song Festival. In 2014, Yeo One appeared in G.NA's "Secret" music video and promotional activities. In July 2015, he acted in Beast's Son Dong-woon's "Kimishika" music video. In August 2015, he modeled alongside Hyuna for the fashion brand Clride.n.

### 2016–present: Debut with Pentagon and solo activities

He took part on Mnet's reality survival program, Pentagon Maker, which aired online through Mnet's digital content brand M2. On October 10, 2016, he made his debut as a member of Pentagon on Mnet's M Countdown with the track "Gorilla" from their debut extended play, Pentagon. The song is described as a hip-hop song with magnificent, strong beats and masculine brass sound. During the show's filming, he made his acting debut with a lead role in web drama Spark as the leader of an idol group, Dexter. The series was a commercial success and attracted global fans.
In 2017, Yeo One was selected as the main character of KBS1 musical drama Joseon Beauty Pageant that set during the Joseon Dynasty's first beauty contest held. The drama also incorporates with traditional music with modern sensation and colorful images.
In 2019, Yeo One participated in reading the novel Youth, Beautiful Youth by Hermann Hesse through Naver Audio Clip Audiobook. He was confirmed to be the lead role in web drama, Welcome to the Witch Shop. The drama deals with fantasy elements that is based on the theme of witch shops that can only be visible to people with eager wishes.
In 2020, Yeo One returned to the small screen as a fictionalized version of himself on the TV Chosun entertainment drama Somehow Family. The show aired in March 2020, but was suspended after only two episodes due to the non-payment of staff. The show resumed filming in June but, due to scheduling conflicts, Yeo One was replaced by Shin Won-ho of Cross Gene. In August, Yeo One was cast as Nigel Bottom in the Korean adaptation of the comedy musical Something Rotten!. The play ran from August 7 to October 18. Later that year, he was the cover model for the September 2020 issue of Men's Health Korea.
In February 2021, Yeo One starred in the web drama Nickname Pine Leaf for the SBS YouTube channel yogurD, where he plays two different versions of himself: PD Yeo Chang-gu and Pentagon's Yeo One.
In August 2022, he appeared in the KBS2 drama If You Wish Upon Me. Later that year, he starred in the King Sejong Institute Foundation web series There is an Idol in my Living Room as a fictionalized version of himself.
On October 9, 2023, it was announced that Yeo One had left Cube Entertainment alongside fellow Pentagon members Yan An, Yuto, Kino, and Wooseok. Later that month, he announced his first solo fan concert, to be held on November 25, which sold out within one minute.
In January 2024, Yeo One joined the reality music competition show Build Up: Vocal Boy Group Survival.

## Discography

| Title | Year | Peak chart positions | Sales (DL) | Album |
| Title | Year | KOR | Sales (DL) | Album |
| Collaborations |||||
| "You Are" (with Jinho, Hui, Hongseok, Shinwon, Yan An, Kino) | 2016 | — | — | Pentagon |
| Soundtrack appearances |||||
| "Dancing Flower Scholar" (댄싱 꽃선비) with Kim Na-ni | 2018 | – | — | Chosun Beauty Pageant OST Part 1–13 |
| "—" denotes releases that did not chart or were not released in that region. |||||

### Other songs

| Year | Title | Format |
| 2017 | "Let's Go" (가자) | streaming |
| 2018 | "토닥토닥" | streaming |
| 2018 | "Hope" | streaming |
| 2019 | "Her Voice" (그녀의 목소리) | streaming |
| 2021 | "Begin Again" (우리, 다시) | streaming |

## Songwriting

All credits are adapted from the Korea Music Copyright Association, unless stated otherwise.
| Year | Artist | Song | Album | Lyrics | Lyrics | Music | Music | Arrangement | Arrangement |
| Year | Artist | Song | Album | Credited | With | Credited | With | Credited | With |
| 2016 | Pentagon | "UP" | Non-album release | No | – | Yes | Jinho, Shinwon, Yan An, Wooseok | No | — |
| 2016 | Pentagon | "Young" | Album single | Yes | Hui, Yuto, Kino, Wooseok | Yes | Hui, Yuto, Kino, Wooseok, Dok2 | No | — |
| 2017 | Yeo One | "Let's Go" (가자) | — | Yes | — | Yes | — | No | — |
| 2018 | Yeo One | "토닥토닥" | — | Yes | — | Yes | — | No | — |
| 2018 | Yeo One | "Hope" | — | Yes | — | Yes | — | No | — |
| 2019 | Pentagon | "Round 1" (Bonus track) | Genie:us | Yes | Jinho, Hui, Hongseok, Shinwon, Yan An, Yuto, Kino, Wooseok | Yes | Jinho, Hui, Hongseok, Shinwon, Yan An, Yuto, Kino, Wooseok, MosPick | No | — |
| 2019 | Yeo One | "Her Voice" (그녀의 목소리) | — | Yes | — | Yes | — | Yes | — |
| 2019 | Pentagon | "Round 2" (Bonus track) | Sum(me:r) | Yes | Jinho, Hui, Hongseok, Shinwon, Yan An, Yuto, Kino, Wooseok | Yes | Jinho, Hui, Hongseok, Shinwon, Yan An, Yuto, Kino, Wooseok, MosPick | No | — |
| 2021 | Yeo One | "Begin Again" (우리, 다시) | — | Yes | — | Yes | Ummzui | No | — |

## Filmography
### Television series

| Year | Title | Original title | Role | Notes |
| 2017 | Hello, My Twenties! 2 | 청춘시대2 | Tyr / Shin Chang-goo | A member of idol group Asgard |
| 2018 | Joseon Beauty Pageant | 조선미인별전 | Kyu Hyun | Musical drama |
| 2020 | Somehow Family | 어쩌다 가족 | Yeo One | Only two episodes, replaced by Shin Won-ho |
| 2022 | If You Wish Upon Me | 당신이 소원을 말하면 | Kwak Hyeong-jun | guest role |

### Web series

| Year | Title | Original title | Role | Notes |
| 2016 | Spark | 스파크 | Ji Sung | Main role |
| 2019 | Welcome to the Witch Shop | 어서오세요, 마녀상점 | Sung Woo | Main role |
| 2021 | Nickname Pine Leaf | 닉네임 솔잎 | Yeo Chang-gu / Yeo One | Main role |
| 2021 | Pumpkin Time | 펌킨 타임 | Han Se-jun | Supporting role |
| 2022 | There is an Idol in my Living Room | 거실에 아이돌이 산다 | Yeo Chang-gu / Yeo One | Main role |

### Variety shows

| Year | Title | Notes |
| 2016 | Pentagon Maker | Contestant |
| 2019 | King of Mask Singer | Contestant as Cat Boy, episode 233 |
| 2024 | Build Up: Vocal Boy Group Survival | Contestant |

### Narration

| Year | Title | Notes | Ref. |
| 2019 | Naver Audio Clip Audiobook | Novel narrator, Hermann Hesse's Youth, Beautiful Youth | |

### Music videos

| Year | Title |
| 2018 | "Let's Go" |
| 2018 | "토닥토닥" |
| 2021 | "Begin Again" |

## Theater

| Year | Title | Original title | Role | Ref. |
| 2020 | Something Rotten! | 썸씽로튼 | Nigel Bottom | |

## Awards and nominations

Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination :
| Award ceremony | Year | Category | Nominee / Work | Result | Ref. |
| APAN Music Awards | 2020 | Male Entertainer | Yeo One | Nominated | |