Actor Resonance and Lee Tae-hwan, two youthful pictorial behind-the-scenes images were released today. In the photo released through the official SNS channel of Fantagio, the image of Resonance and Lee Tae-hwan, who show off the perfect visuals between Boy and Young, attracts attention. This picture, which contains the once-in-a-lifeTime blue youth, is said to have been the first to be together after the debut. The behind-the-scenes show the double charm of Resonance and Lee Tae-hwan, who retain the sensitivity of Boy and the youth's seriousness. Resonance, who was posing professionally in front of Camera, quickly creates pure charm with playful eyes. On the other hand, Lee Tae-hwan's clear smile, which was chic toward Camera, makes him feel his healthy energy. The photo shoot was held at a park in Seoul in early April when cherry blossoms were in full bloom. The two actively exchanged opinions and took a serious picture to take better pictures with the photographer, but they led the scene with a warm-hearted bromance chemistry, such as taking videos together during the break Time or taking pictures with cherry blossoms in the background. In particular, Lee Tae-hwan freely ran around the lawn and expressed his joyful heart for a long Time's photo shoot, Resonance, which transformed into a laughing sea, said that the preparation Time for the filming was shortened, and the scene was turned into a laughing sea. Meanwhile, the two people who had a busy year with active work activities in 2017 are preparing to meet the public with their next work. Resonance is cast in Lee Byung-hun's movie "Extreme Job" as the youngest detective Jae-hoon, and Lee Tae-hwan is cast in the role of Lee Sung-yeon, the best-selling writer of the female actress, in TVN 'Why is Secretary Kim?'