The song "Wish You Well (잘 살길 바래)" by Heize and Davii is about wishing someone well and hoping they live a good life, even if they are no longer a part of your life or you have been hurt by them. The lyrics talk about not wanting to cry or dwell on the past, but instead hoping that the person finds happiness and love. The song encourages listeners to let go of negative emotions and to focus on their own well-being, even if it means letting go of someone they care about. The overall message is one of love and acceptance, even in the face of pain and heartbreak.