The Most Despicable and Disastrous Younger Twin Sister
Jo'on is depicted with a top hat decorated with a hat bow along with round sunglasses atop her head. Her light brown hair is held by ribbons in a twin-drill style, with shorter locks framing her orange eyes. Jo'on wears a white dress underneath her high-collar coat adorned with floral prints. Contrasting Shion's poverty, Jo'on wears plenty of jewelry, including rings, a necklace with a pendant, earrings, and a bangle. She also wields a gold handbag. Her spellcard declaration animation has her using a credit card. She is also depicted with a fan with a fur-trim. Her sprite is surrounded with an aura of orange flames. She wears boots.
Jo'on is a Goddess of Pestilences who is prideful and greedy. Her ability allows her to possess humans, allowing her to seize their financial assets and drain them to the point of financial ruin. However, due to her spendthrift nature, she spends her money as fast as she earns it.