Luna Hamelin

Luna is Sol's younger twin sister. Both infamously known as the Hamelin Twins, she and Sol are the true leaders of the South block. Her ability can mediate emotions using the sound of her flute. It is known that produced melodies relieve the South group members of anger and pain. Luna has stated she can instill any emotion into a person, be they Altered or normal. (Source: Area D - Inou Ryouiki Wiki)