Shion Sonozaki is a heroine from Higurashi no Naku Koro ni. She is Mion Sonozaki's twin sister who was also the protagonist villain of Meakashi-hen. She is well-known for her spectacular mental breakdown in Meakashi-hen and the ensuing bloodbath, her mischievous nature when it comes to teasing the other club members, and her relationship with Satoshi Hojo, which has been the subject for at least four different songs. She is voiced by Satsuki Yukino in Japanese and Kelli Kassidi in English, both of whom also voiced her twin sister Mion.