This happen after war but Hana didn't come back yet.

This song was hear in manor. Batman and his sons just back from patrol and about to head to their room when they hear a song. They thought it might be Putri since she just back. They stand still in front of stairs until the song finish. "It kind of feel warm" said Damian "like it was try to soothe the sad feeling " said Dick "it feel familiar somehow " said Jason "Yeah" said Tim. They just got rough night and few injuries but as soon as they hear the song it soothing them. Even Bruce agree. Then they walk back to their room and sleep. Tim reluctantly go to sleep because he know if Putri found out he didn't sleep hell thing will happen to him.  On rooftop of Wayne manor there's a shadow sit there. A red hair flow by wind with blue eyes glistening by moonlight. It look enchanting.  That girl actually none other is Alexia Elizabeth Wayne. Bruce first child and daughter. The oldest one among all child. The forgotten child. Singing in sad