Deredere
He/they. I can tell you your aesthetic
Meanwhile, Eren was with the crying Azra and sang a gentle tune which actived his pied piper quirk. He sang hush little baby to young Azra and gently rocked the tiny creature. He didn't need to rock the baby if his quirk worked, but he did anyways.
Azra's sharp cries turned huffed quickly as his crying was being nulled by Eren's voice. He curls up and quickly began to calm down and even fall asleep.