Shion Yorigami is a poverty god and one of the main antagonists of Antinomy of Common Flowers. Together with her younger sister, Joon, she robs innocent residents of Gensokyo of their wealth by bringing them misfortune.

As a poverty goddess, Shion affects those she comes into contact with by bringing misfortune into their lives. However, her misfortune powers also affect her and cause her to be cursed with bad fortune, resulting in her living in a perpetually destitute state.