Single’s Inferno Season 4: Where to follow the cast on Instagram

Lee Si-an identifies herself as a serial monogamist so rest assured that she’s on the hunt for her next partner in this show. The 25 year-old model mentioned in the first episode that her best features are her cat-like eyes, kissable lips and figure. When she was younger, Lee Si-an shared that she was an avid swimmer and she still enjoy swimming even to this day. She currently has a growing following of 93.2K followers on Instagram at the time of writing.

Current Instagram follower count (as of 15 January): 93.3K

Chung You-jin is a 28-year-old dancer who’s currently pursuing her Master’s in dance and teaches classes which also include ballet amongst a few others. During her introduction, she confidently mentioned that she was offered six blind dates immediately after she attended a wedding. With a cute and bubbly demeanour, it’s no wonder that she appeals to many. As for her hobby, she mentioned that she enjoys free diving and feels like she’s the Little Mermaid when she’s swimming.

Current Instagram follower count (as of 15 January): 13.6K

There’s more to this 23-year-old than meets the eye. Kim Min-seol isn’t just a pretty face—she’s a freelance anchor and currently works as a sportscaster. With her sweet and adorable demeanour, many people describe her as having a cute, puppy-like face. But beyond her looks, Min-seol reveals a competitive side. She’s confident that she’ll bring her A-game to win over the man she’s interested in and isn’t afraid to be daring and straightforward when the moment calls for it.

Current Instagram follower count (as of 15 January): 13.7K

You definitely can’t ignore the aura that Bae Ji-yeon gives when she arrives on the island. With a passion for fitness, this fitspo mentioned that she enjoys working out on a daily basis, which explains why she’s confident in her own skin. Aside from working out, she shared that she enjoys horseback riding during her free time. Of course, to match her frequency, Bae Ji-yeon is on the lookout for a guy who has a muscular build, especially a guy with broad shoulders. The 26-year-old is also a model and a ‘space director’ according to her Instagram bio.

Current Instagram follower count (as of 15 January): 28.8K

Like many of the other girls, Kim Hye-jin often finds herself the center of attention, catching the interest of plenty of men. The 25-year-old model describes herself as having a quirky personality and admits she’s often seen as unpredictable—keeping people guessing is just part of her charm.

Current Instagram follower count (as of 15 January): 31.1K

Kim A-rin is full of surprises. In fact, during her introduction, she’s also seen longboarding.

While she might come across as cold or aloof at first, she’s actually super easygoing once you get to know her. Growing up, she’s constantly been told how beautiful she is—some have even called her the prettiest girl they’ve ever seen. Oh, and did we mention? She’s also a model.

Current Instagram follower count (as of 15 January): 6.09K

Kim Te-hwan made waves as the first male contestant on the show, and he’s not one to shy away from the spotlight. In his introduction, he confidently describes himself as someone who radiates self-love and lives firmly by his convictions. As for his looks? Let’s just say he doesn’t need the reminder—he’s “been aware of his good looks since birth.”

While his cool demeanor might give off an aloof vibe, Te-hwan revealed a romantic side, sharing that he’s given up countless career opportunities to prioritize love, as he takes relationships very seriously. Total simp energy, right?

On a more serious note, the 32-year-old is a multifaceted talent. He’s a model and actor who’s graced the pages of GQ Korea and Esquire Korea and starred in the hit Chinese drama My Favorite Boyfriend. Oh, and did we mention he’s also a DJ?

Current Instagram follower count (as of 15 January): 91.9K

Kook Dong Ho’s best features are his height and big, captivating eyes. While people often assume he’s cold and distant at first glance, he’s actually the complete opposite. Beneath that initial impression lies a sweet and tender personality that shines through once you get to know him. He’s expressive, caring, and not one to hold back—especially when it comes to pursuing someone he’s interested in.

Current Instagram follower count (as of 15 January): 28.6K

Step aside, gentlemen—Jang Theo has arrived. If he had to sum himself up in one word, it’d be bulldozer. He’s bold, daring, and unapologetically straightforward, with zero interest in what anyone thinks of him.

According to Theo, he’s a hit with girls who have a thing for bad boys, though he doesn’t exactly catch the eye of those who prefer the sweeter, more innocent types.

Beyond his confident exterior, Theo is a man of many talents. He’s an actor and musician, with acting credits in Finding Santos and the historical drama The King of Tears, Lee Bang-won.

Current Instagram follower count (as of 15 January): 553K

Kim Jeong-su’s best feature? That deep, low voice of his—it exudes reliability and comfort, making everyone feel at ease around him. He describes himself as loyal and friendly to those he cares about, with a docile side that’s a little like a golden retriever. When it comes to relationships, he’s all about the lovey-dovey side of things.

But there’s more to him than just his sweet personality—Jeong-su has built a successful career in the food industry, running multiple coffee shops and bakeries across South Korea.

Current Instagram follower count (as of 15 January): 15.1K

Jun-seo decided to join the show because he was looking for something different from his usual routine. He’s humble about his popularity, saying he doesn’t see himself as a big name.

Before stepping into the entertainment world, Jun-seo served in the Navy Special Warfare Flotilla (UDT/SEAL) and was honourably discharged as a sergeant in 2019. Since then, he’s carved out a successful career in entertainment, with one of his most notable roles being in the hit K-drama Sweet Home. Outside of acting, he’s also an artist, working from his studio to bring his creative visions to life.

Current Instagram follower count (as of 15 January): 227K