"Forest" (숲으로 걷는다) is a song by Jung Seung Hwan, a South Korean singer-songwriter. The lyrics describe the emotions and thoughts of someone who is walking through a forest, using the forest as a metaphor for moving on and healing from a past relationship. The song begins with the singer apologizing and walking slowly, choosing to walk in the forest instead of saying sorry. He walks alongside the memories of his past lover, unable to say anything to them and only able to look at them from behind as he leaves them. The singer reflects on his immature actions in the past and how he keeps remembering those moments. Despite trying to forget and erase those memories, he realizes that nothing has changed. He continues walking through the forest, filling up his empty heart and reminiscing about the past. The singer acknowledges that it's all over now and tells himself that he needs to move on. However, he also expresses a desire to go back in time and hold his past lover, even though he knows they have probably forgotten about everything. The singer understands that everything has changed, but still, he walks to the forest in hopes of meeting his forgotten lover once again. The song portrays a bittersweet feeling of longing, regret, and acceptance. It conveys the emotions of someone trying to let go of a past relationship but struggling with the memories that keep resurfacing.