Yutori Houjyou: 6 books

You've already met Keiichi Maebara and his mischievous friends in the Abducted by Demons Arc. But Oyashiro-sama's curse is poised to strike anew in Hinamizawa village. When Keiichi spots tomboy Mion working at a maid café, he can hardly believe his eyes! But it's not Mion after all - it's her identical...

Twins Shion and Mion have Keiichi seeing double. But as he grows closer to Shion, their flirty friendship has Mion seeing red. When Shion and Keiichi trespass on sacred ground the night of the Cotton Drifting, a string of gruesome murders and disappearances follow. Are the legends of Oyashiro-sama's curse true? Is there a demon in Hinamizawa?

After a year at boarding school, Shion Sonozaki flees the oppressive institution and secretly returns to her hometown in the mountains, telling only her twin sister Mion of her arrival. Though the Sonozaki family has kept the sisters apart to prevent conflict over who would become the next family...

Unable to provide an alibi for the night of the Cotton Drifting, Satoshi becomes the prime suspect for the murder of his aunt! As her friend is hauled away by the police, Shion steps forward as a witness to Satoshi's whereabouts that night, exposing her true identity in the process. Shion may have...

The demon of the Sonozaki family has found fertile soil in Shion's soul, and her fury rages out of control as she targets the last of those who are guilty of paining her beloved Satoshi. But how far is she willing to go? Will any torture or punishment fill the void left by her dear friend? Or will...

One year after his disappearance, the police are no closer to finding Satoshi or solving his aunt's murder, and Shion is quickly running out of patience. Dressing alternately as "Shion" and "Mion," she positions herself as close to Keiichi as possible. Given that he too entered...