Character

Shion Sonozaki

Shion is the older (believed to be younger by everyone but the twins themselves) twin sister of the Sonozaki twins. She was sent to St. Lucia's Boarding School, but escaped in 1982 and 1983 with the help of Kasai Tatsuyoshi, a man who acts as a bodyguard to the Sonozaki family. Shion is the main villain in Meakashi-hen, which appears to be Watanagashi-hen from her perspective (though certain differing events mean the two are actually separate arcs) and shows that she was the main villain in Watanagashi-hen as well. She despised Hōjō Satoko in Meakashi-hen, blaming her for Satoshi's suffering, but in the arcs afterward, the two have a sister-like bond, and Shion even puts her life on the line to save her to keep her promise to look after Satoko while Satoshi was gone. In Matsuribayashi-hen, Rika explains that Shion's early dislike for Satoko in the years before 1983 and her learning how to control her inner demon afterward are both momentous events for Shion to avoid being a victim of the Hinamizawa Syndrome. Shion works as a waitress at the Angel Mort (エンジェルモト) restaurant and is also the manager's assistant for the Hinamizawa Fighters little league team. In truth, she was born as Sonozaki Mion, the elder sister, but due the sisters swapping places at a young age, Mion, instead of her, was branded with the oni tattoo which marks the presumptive heir to the Sonozaki family. She had to become "Shion" and her younger sister became "Mion."