Sunai are a species in the Monsters of Verity series. They are rare creatures who use music to bring the souls of their prey to surface. There are only 3 soul-eaters in the city. August Flynn is a member of this species. August is a Sunai, the monster that will steal your soul with a song.
Corsai thrive at night and feed on flesh and bone.
Malchai are corpses that feed on blood.
A Song on the Monsters
Corsai, Corsai, tooth and claw,
Shadow and bone will eat you raw.
Malchai, Malchai, sharp and sly,
Smile and bite and drink you dry.
Sunai, Sunai, eyes like coal,
Sing you a song and steal your soul