• Jeong Sewoon (정세운) is a soloist from Starship Entertainment
• His birthday is on May 31, 1997 and he is from Busan, South Korea
• He first appeared on K-pop Star Season 3 and formed the duo 'Something' with Kim Ah-hyeon
• Sewoon gained more attention for participating in Mnet's survival show Produce 101 Season 2, eventually placing 12th on the final episode
• He debuted on August 31, 2017 with the title track 'Just U'
• On March 11, 2018, it was announced that Sewoon, alongside fellow Produce 101 contestants Lee Kwanghyun (another trainee from Starship), Im Youngmin, and Kim Donghyun (both from Brand New Music's duo MXM ) would form a project group called 'YDPP'. YDPP stands for 'Youth, Dream, Passion, Purity' but it is also known to be the initials for YoungDongPoPang, a name their fans have given the quartet predebut.
• YDPP released their single 'Love It Live It' on April 5, 2018
• His fandom is called Lucky and his color is Pantone 531

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