Higurashi: When They Cry (2006)

S1E2 The Hidden Demon Chapter - Part 2 - Secret

The yearly Watanagashi Festival kicks off, and a joyful time is had by all with food and games. But the next day, Keiichi finds himself questioned by Oishi, the head police officer, regarding a crime that took place on the festival's night. He grows uneasy, wondering if the villagers are tied to this and other cases, just as Oishi suspects.