Eagle-eyed fans are on the lookout if "Single's Inferno 2" cast Lee So E and Kim Se Jun are still together after the show aired its finale.

The duo is among the three couples who left inferno island with a smile and joined Shin Seul Ki and Choi Jong Woo, and Choi Seo Eun and Jo Yoong Jae.

Interestingly, fans are looking for receipts that would show if Lee So E and Kim Se Jun are still connected even after the show ended.

How Did Lee So E and Kim Se Jun Get Close?

Kim Se Jun is one of the fan-favorites on the show despite joining midway through the reality show.

The 27-year-old heartthrob works as a tailor and also appeared in "Single's Inferno" season 1, along with Oh Jin Taek, CEO of the fashion menswear brand Ascottage, where Se Jun is also working.

Besides following each other, Kim Se Jun liked one Instagram post of Lee So E featuring her co-stars from a recent production.

On top of it, when So E posted a throwback photo showing her adorable childhood snaps, the "Single's Inferno 2" heartthrob took to the comments section and wrote, "Kekekeke, cute."

From Instagram interactions, both reality show stars also appeared in a now-deleted post from an Ascottage employee where he posted a photo with So E and Se Jun.

IN CASE YOU MISSED IT: 'Single's Inferno 2' Cast Reveals First Impression - From Fellow Participants, Living in a Secluded Island, More

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Written by Geca Wills