TXT's Yeonjun collaborated with renowned international photographer Petra Collins for a sensory-rich photo exhibition. Collins praised Yeonjun upon their first meeting, describing him as a kind, curious, and energetic individual. She expressed her artistic vision, stating, "I wanted to capture the wonder of nature along with his pure curiosity. Yeonjun is a rare person who possesses both softness and mystery simultaneously." Recently, Yeonjun was appointed as a 'Friend of the House' ambassador for luxury fashion brand Miu Miu. Additionally, he is serving as a mentor on tvN's entertainment program 'Kill It: Style Creator War.'