Shion Sonozaki is a fictional character from the visual novel series Higurashi: When They Cry. She is a member of the Sonozaki family, a prominent family in the rural village of Hinamizawa. Shion is known for her dual personality, often displaying a cheerful and playful demeanor, but she can also become vengeful and aggressive when provoked. Shion has a close relationship with her twin sister, Mion Sonozaki, and they share a strong bond despite their differences. Throughout the series, Shion's character plays a significant role in the unfolding mystery and horror elements, contributing to the complex narrative of the story.