- For other people known as 'Youngjae', see Youngjae.
As a composer, he goes by the name Ars, which means "art" in Latin.
He made his solo debut on October 5, 2021 with his first mini album Colors from Ars.
2013–2014: Joining JYP Entertainment, GOT7
2017: King of Mask Singer
Youngjae appeared on the singing competition show King of Mask Singer as 'King of Toy Machines', singing "Look Back At Me" by Deux in a duet. He won, making it to the second round, during which he sang Kim Bum Soo's "It Will Pass". Despite losing, "he received great praise from the panel".
2018: Immortal Songs
He appeared solo on Immortal Songs, performing Kim Yeon Ja's "Mercury Lamp".
2020: Idol Radio, clothing line, campaign for organ donation
On May 25, 2020, he launched a clothing line titled "Ars X Coco" with products aimed at both humans and their dogs. His own dog, Coco, appeared in the clothing line's promotional video and preview photos. The sale was open for only two weeks, and part of the profits was redistributed to animal shelters and animal advocacy organizations.
In September, Youngjae was announced as being part of the cast of the upcoming Netflix series So Not Worth It, which is scheduled to air in 2021.
Youngjae participated in a campaign for organ donation in partnership with the Ministry of Health and Welfare of South Korea (MOHW) and the Korea Center for Disease Control and Prevention (KDCA). In July, he appeared on the program Kwanghee & Jo Subin’s Guest House during which the topics of life sharing and organ donation were discussed. Then, in December, he released the song "Everything For You". The track contains lyrics expressing both the point of view of an organ donor and of its beneficiary. These lyrics also carry a message of gratitude, and were written by Youngjae himself with help from composer Lee Sang-hoon.
2021: Departure from JYP Entertainment, new agency, Midnight Sun, So Not Worth It, solo debut with Colors from Ars
On January 10, it was reported by Dispatch that all GOT7 members would be leaving JYP Entertainment after 7 years of contract, with the 35th Golden Disc Awards being their last activity as a group. On January 11, JYP Entertainment officially announced that the members will be leaving the agency as their contract expires on January 19.
On January 20, it was announced that Youngjae had signed an exclusive contract with Sublime Artist Agency. Following the news, the agency shared a welcoming post on social media, and Youngjae posted a message on Instagram expressing gratefulness to all the people who helped him until now and to the fans.
On March 9, Youngjae was casted as one of the actors playing Ha Ram - one of the two main roles - in the musical Midnight Sun. The musical, a romantic story originating from a 1993 Hong Kong film, will be performed from May 1 to July 25 at Kwanglim Arts Center and will also be live-streamed.
The Netflix series So Not Worth It, in which Youngjae stars as one of the leads, will start airing on June 18.
2022: Sugar and Seven Stars
- "Everything For You" (2020)
- "Walk With Me" (2021)
- "One Dream One Korea" (with Various Artists) (2015)
- "Life Insurance Social Philanthropy Foundation Part.2" ("I'm All Ears") (with Jimin Park) (2018)
- "Wok of Love OST Part.2" ("At That Time") (2018)
- "When My Love Blooms OST Part.2" ("Fall in Love") (with Choi Jung Yoon) (2020)
- "Midnight Sun OST Part.1" ("Meet Me When The Sun Goes Down") (2021)
- "So I Married an Anti Fan OST Part.1" ("Pop Star") (2021)
- So Not Worth It OST ("So Not Worth It") (2021)
- "My Roommate Is A Gumiho OST Part.7" ("You & I" with Soyeon) (2021)
- "My Day (내 하루)" (2016)
- "Trauma" (2016)
- "Call Button (통화버튼)" (feat. J.praize) (2017)
- "I Want to Fall Asleep (잠들고 싶어)" (feat. Noday) (2017)
Producing and writing credits
|GOT7||"Rewind"||Flight Log: Departure||Writing|
|"Hey"||Flight Log: Turbulence|
|GOT7||"Sign"||Flight Log: Arrival||Writing|
|"Moon U"||7 for 7|
|"Kono mune ni"||Turn Up|
|GOT7||"Hesitate"||Eyes On You||Writing|
|"Nobody Knows"||Present : You|
|"1:31AM"||Present : You & Me Edition|
|"Think About It"|
|GOT7||"Reborn"||I Won't Let You Go||Writing|
|"Time Out"||Spinning Top : Between Security & Insecurity|
|"Breath"||Breath of Love : Last Piece|
|Youngjae||"Everything For You"||Writing|
|Youngjae||"Beautiful"||Colors from Ars||Writing|
|Youngjae||"Walk With Me"||Writing|
|Lovey feat. Youngjae||"Hurry"||:)||Writing|
|GOT7||"Drive Me To The Moon"||GOT7||Writing|
Mini concert tours
- 2022 Youngjae Mini Concert Tour 'Sugar' (2022)
- Seven Stars (Channel 3, 2022) - mentor
- Candy Lab (2022)
- Main article: Youngjae/Gallery