During her guest appearance on MBC's 'Radio Star' on April 9, Lee Si An discussed the highly discussed bed scene with Yuk Jun Seo on the fourth season of 'Single's Inferno.' Lee Si An mentioned that the overnight date scene with Yuk Jun Seo garnered a lot of attention, surpassing her initial introduction on the show. Despite expectations from viewers, Lee Si An clarified that they simply held hands while sleeping, receiving mixed reactions for what she believed was a sweet moment. She shared a humorous anecdote about her mom's perspective on receiving backlash, stating that it indicated the show's success. When asked about their relationship status, Lee Si An described herself and Yook Jun Seo as very close, akin to siblings, often hanging out and sharing meals together.