tvN’s “Love Next Door” has revealed an energetic behind-the-scenes glimpse from its first two episodes. This romantic comedy, featuring Jung So Min as Bae Seok Ryu and Jung Hae In as Choi Seung Hyo, shows a lively set filled with laughter and camaraderie. Highlights include Jung Hae In’s surprise birthday celebration, Jung So Min’s excitement about working with the director from “The Smile Has Left Your Eyes,” and the cast’s mix of nervousness and joy.