Actor Ong Seong-wu, who is preparing for his return in the drama , opened up about his authentic self in an interview with Harper's Bazaar. Through a self-written 'Trivia Dictionary,' Ong Seong-wu shared his personal tastes and thoughts, revealing his everyday life beyond the stage and screen. The interview covered various topics including his current favorite foods, what he's been interested in recently, and his aesthetic standards. Additionally, perspectives from his close associates were included to showcase his genuine charm away from the spotlight. The interview video can be found on Harper's Bazaar's YouTube channel, offering fans an opportunity to learn about Ong Seong-wu's personal preferences and lifestyle that they've long been curious about.