On March 25, 2026, Seo In-guk posted a new update on Instagram. With the message "Will you marry me?", he shared a special, romantic moment with fans. In the attached video, he looks into the camera with a warm smile, immediately drawing attention.
The post is part of ELLE's 'Weekly Boyfriend' series, expected to spotlight Seo In-guk's many charms. Fans reacted enthusiastically, leaving comments like "So handsome" and "A perfect date."