[Machine Translation] The days that were soaked with tears at the end of the world and distorted between dreams and reality... Farewell, my heart has left the nest. The fourth single by Karasu, a heavy musician from Akita, Japan! Farewell, my heart has fled the nest" is an energetic song with euphemisms and eight beats, which is typical of Karasu, about the feelings of being troubled by the gap between reality and ideals that everyone has experienced in their youth. This song has been selected as the theme song for the live-action version of the popular socially-conscious manga "YAKKIN USHIJIMA-KUN" (2.5 million copies sold), which depicts the dark side of human beings and the "light that lies beyond the darkness. The coupling song is two songs on the theme of farewell, appropriate for the season of melancholy. One is an indie classic, "The Last Song," which is dedicated to you whom I will never see again, and the other is an emo-core style song, "Kono Yoru, Wandering On and On," which is about meeting and parting and hoping that one day it will become a beautiful memory. The jacket was newly designed by Shohei Manabe, the author of "YAKKIN USHIJIMA-KUN" (serialized in Bic Comic Spirits), the manga on which the tie-up drama is based.