WinWin

WinWin was born Dong Sicheng (董思成) on October 28, 1997, in Wenzhou, Zhejiang Province, China. Before joining WayV, he had already debuted with NCT 127 in 2016, making him one of the most experienced members when WayV officially launched in 2019. Source: Kpop Profiles

WinWin's journey to K-pop began through traditional Chinese dance. While performing at school, he caught the attention of SM Entertainment scouts, who recognized his exceptional talent and encouraged him to audition for the company. Source: Kpop Singers

Before pursuing his idol career full-time, WinWin studied at China's prestigious Central Academy of Drama, majoring in comedy performance. The school has produced many of China's most respected actors, laying the foundation for his later acting career. Source: Kpop Singers

WinWin is a devoted dog owner and has two beloved dogs named Figure and Penny. They frequently appear in photos and social media updates, becoming familiar faces among his fans. Source: Kpop Profiles

One of WinWin's lesser-known facts is that he wears lingual braces, which are attached to the back of the teeth instead of the front. Because they're hidden from view, many fans never realized he wore braces at all. Source: Kpop Profiles

Like fellow member Xiaojun, WinWin has an unusual sleeping habit—he reportedly sleeps with his eyes slightly open, something the members have occasionally joked about during interviews and variety content. Source: Kpop Profiles

In 2021, SM Entertainment announced that WinWin had established his own personal studio in China to oversee his rapidly growing acting career. The studio allowed him to manage drama projects while continuing selected activities with WayV. Source: Kpop Profiles

Despite his gentle personality, WinWin is surprisingly strong. During the variety program Idol Room, he ranked No. 1 in physical strength among the members of NCT 127, surprising both fans and his fellow members. Source: Kpop Profiles

WinWin's striking visuals earned international recognition when he placed 99th on TC Candler's 100 Most Handsome Faces of 2018. The ranking further highlighted his growing global popularity. Source: Kpop Singers

On July 8, 2026, SM Entertainment announced that WinWin had mutually agreed not to renew his exclusive contract. His activities with NCT and all of its sub-units, including WayV, officially concluded on July 9, 2026, marking the end of nearly a decade with the company. Source: kpopping, Kpop Profiles

Although he confidently performs on stage, WinWin has admitted that he is afraid of heights. Fans have seen his nervous reactions during amusement park rides and high-altitude activities on variety programs. Source: Kpop Profiles

Because WayV is such a multilingual group, the members often teach one another new languages. Over the years, Ten has playfully helped WinWin improve his English, leading to many humorous language-learning moments in behind-the-scenes content. Source: Kpop Profiles

Fans often describe WinWin's voice as "mong-mong," a Korean expression meaning soft, fluffy, or gentle. The nickname perfectly captures the calm and comforting tone that has become one of his signature qualities. Source: Kpop Singers

WinWin has openly shared that he isn't particularly fond of skinship and generally prefers not to be touched frequently. While he enjoys spending time with his members, he has always appreciated maintaining a bit of personal space. Source: Kpop Singers

When asked about the artists he admires most, WinWin has consistently named the members of EXO as his role models. Watching their performances inspired him throughout his own career as both a singer and performer. Source: Kpop Singers

Before WayV debuted, WinWin had already built a loyal fanbase through his activities with NCT 127. His graceful dance style, elegant visuals, and quiet personality helped him become one of the group's most recognizable members during NCT's early years. Source: SM Entertainment, NCT

WinWin's extensive background in traditional Chinese dance gives him a uniquely fluid performance style that differs from many contemporary K-pop dancers. Fans often praise the elegance and precision he brings to choreography. Source: Central Academy of Drama, Kpop Profiles

As his acting career expanded, WinWin successfully balanced promotions across both the Chinese entertainment industry and K-pop. His drama roles introduced him to a wider audience while allowing him to continue representing WayV during key promotions whenever possible. Source: SM Entertainment, Chinese drama promotions

Although he officially departed from NCT and WayV in 2026, WinWin remains an important part of both groups' history. As an original WayV member and one of NCT's earliest Chinese artists, he helped establish the foundation that allowed the unit to grow into one of SM Entertainment's flagship global groups. Source: Kpop Profiles, SM Entertainment