Who is Yook Sungjae Girlfriend? His Dating History & Ideal Type

Yook Sungjae, born on May 2, 1995, in Yongin, South Korea, is a singer, actor, and entertainer best known as a member of the K-pop boy group BTOB under Cube Entertainment. From a young age, Sungjae displayed a strong interest in music and performance, eventually debuting with BTOB in 2012 as the group’s lead vocalist and maknae (youngest member). His warm vocals, charming personality, and stage presence quickly made him a fan favorite.

In addition to his music career, Yook Sungjae has successfully established himself in acting and variety television. His breakout acting role came in 2015 with the popular youth drama Who Are You: School 2015, where he gained widespread recognition for his portrayal of Gong Tae-kwang. He followed this success with major roles in dramas like The Village: Achiara’s Secret and the fantasy hit Goblin, where he played the quirky and lovable Yoo Deok-hwa.

Outside of acting, Sungjae has showcased his versatility through a range of variety shows. He was notably featured in We Got Married alongside Red Velvet’s Joy, where their chemistry won over countless fans. Sungjae also participated in shows like Master in the House, proving his humor, sincerity, and leadership off-stage.

Balancing his music and screen careers seamlessly, Yook Sungjae continues to grow as a multi-talented entertainer. After completing his mandatory military service in 2021–2023, he returned to the spotlight with renewed energy, releasing solo music and taking on new projects that reaffirm his place as one of Korea’s most beloved all-around stars.

Yook Sungjae Girlfriend

Yook Sungjae, the multi-talented South Korean singer, actor, and entertainer, has long captured fans’ hearts not only for his charming visuals and vocal prowess but also for his on-screen chemistry in various dramas and variety shows. Despite his massive popularity, the BTOB member is not publicly known to be in a relationship.

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Over the years, Sungjae has been the subject of several dating rumors, but none have been officially confirmed. His agency has consistently denied claims, maintaining his single status. Let’s take a closer look at the most talked-about rumors surrounding his dating life.

DIA’s Jooeun: The 2018 Speculation

In 2018, rumors began to swirl that Yook Sungjae was dating Jooeun, a member of the K-pop girl group DIA. The speculation reportedly stemmed from vague online hints and fan observations. However, no solid evidence ever surfaced to back these claims. Online communities at the time pointed out that the rumors seemed more like assumptions than facts. Eventually, the buzz faded out with no confirmation from either side.

Mysterious Non-Celebrity: The 2022 Golf Rumor

Another wave of dating gossip hit in 2022, when fans and media speculated that Yook Sungjae was romantically involved with a non-celebrity woman. The rumor gained traction when they were allegedly seen together using matching phone cases and spending time playing golf. However, Cube Entertainment, his agency, quickly denied the claims. They clarified that the woman in question was merely an acquaintance and that their interaction was limited to a friendly game of golf.

Joy and “We Got Married”: Fan-Favorite On-Screen Pairing

One of the most beloved “couples” involving Yook Sungjae was with Red Velvet’s Joy during their time on the popular reality show We Got Married. Their sweet and playful chemistry made fans swoon, leading many to hope their on-screen romance would blossom off-screen. However, it was strictly professional. The pair were never in a real-life relationship, and both moved on after the show, with mutual respect and friendship.

Yook Sungjae and Bona

Yook Sungjae and Bona (a member of WJSN and rising actress) captured attention with their undeniable chemistry in the 2024 K-drama The Haunted Palace. Set in a mysterious palace filled with secrets, ghosts, and hidden pasts, the drama blends horror, historical fantasy, and romance, and at the heart of it is the captivating connection between Sungjae and Bona’s characters.

Sungjae plays the role of a sharp yet warm-hearted nobleman who stumbles upon the eerie palace, while Bona portrays a strong-willed spirit who has been trapped within its walls for generations. Their relationship unfolds slowly—built on moments of tension, tenderness, and trust—as they begin to uncover not only the secrets of the palace but also their growing bond.

What truly made their on-screen romance stand out was the natural ease and emotional depth they brought to their roles. Their stolen glances, subtle smiles, and emotionally charged scenes resonated with viewers, sparking countless online discussions and fan edits. Fans especially praised how their chemistry elevated the story’s emotional stakes, turning a ghostly mystery into something deeply human and heartfelt.

Whether it was their playful banter in early episodes or the heart-wrenching choices they faced later in the series, Yook Sungjae and Bona proved to be a pairing that felt both fresh and emotionally grounded. Their chemistry left a lasting impression—and has fans eagerly hoping for another collaboration in the future.

Yook Sungjae’s Ideal Type: What He Looks for in a Girlfriend

Yook Sungjae has often been asked about his ideal type in interviews, and while he keeps things fairly open-ended, he has shared some heartfelt preferences over the years. At the core, Sungjae values personality and connection more than just outward appearances. He has mentioned that he’s drawn to someone who is kind, understanding, and has a warm heart. A sense of humor and the ability to have fun in everyday moments also matter a lot to him.

Physically, Sungjae has said he doesn’t have a strict type, but he does appreciate someone who looks good in casual styles—like jeans and a simple t-shirt. He has also expressed admiration for girls who are confident and comfortable being themselves, without trying too hard to impress others.

Another trait he values is maturity—someone who can communicate well, handle emotions thoughtfully, and support him during both high and low points. Since Sungjae himself is playful and bright, he tends to be attracted to people who can balance that energy with sincerity and emotional depth.

In short, Yook Sungjae’s ideal girlfriend is someone who’s genuine, has a kind heart, enjoys good conversations, and isn’t afraid to be a little playful—someone he can laugh with, trust, and grow alongside.

Where Yook Sungjae Stands Today

As of now, Yook Sungjae remains single and focused on his career. Whether it’s music with BTOB, acting in hit dramas like Mystic Pop-up Bar, or entertaining fans through variety shows, Sungjae has proven time and again that he’s fully committed to his craft.

While his fans may remain curious about his personal life, Yook Sungjae has kept his romantic relationships—if any—away from the public eye. Unless he chooses to share such details himself, it seems the rumors will remain just that—rumors.

For now, fans continue to support and cheer for him, whether he’s serenading on stage or lighting up screens with his vibrant energy and talent.