Song Of Hope is one the Endings to Shin Megami Tensei: Devil Survivor. In this ending path, the party and the Protagonist attempt to remove all Demons from Tokyo, thus ending the lockdown. It can be obtained by talking to Gin on Day 6, provided that Haru is alive. In the final battle and ending Babel will return to the demon world along with all demons, including Black Frost if he's in the party.