Saya begins experiencing headaches when she tries remember her past. She later successfully defeats a Monk Elder Bairn, but continues to ponder the Elder Bairns' references to the Shrovetide. Due to rain, Saya's class to tell ghost stories, leading to Kanako to retell a legend about the Elder Bairns, in which Saya suffers another headache and faints. The next day, when Nene visits Saya, both of them are attacked by a Centipede Elder Bairn.