Sonozaki Shion is Mion's younger twin She first appears near in the 5th episode of the first season. She gets fusterated so she decides to take Mion's place in the school but every thing gone wrong after a while, then she began killing Rika, Satoko and Keiichi and assumed that she was curesed by the so called demon before she began killing. She was forced to ripe out three of her nails to forgive uncle Mion i think i cant remember satoshi and her self for there sins when satoshi was not forgiven because she said 4 people not three she became forious to think mion had somthing to do about it and held her hosteg to see all her freinds die one by one after that she fell of a building and died and the story starts over sorry 4 bad spelling im french