Sibelyx resembles a humanoid white moth with wing-like upper limbs that resemble sleeves and end in a serrated border. Its body is hourglass-shaped and reminiscent of a dress, mainly pure white. A white ruff covers its neck and crowning its head there's a wide-brim hat with a pair of feathery antennae on top. Striped gray markings are found all over its body except for its face and ruff. she is female