Higurashi: When They Cry (2006)

S2E5 The Disaster Awakening Chapter - Part 4 - The Great Hinamizawa Disaster

Satoko is stunned when Rika conceals her, allowing the killers to drag Rika away in her place. Forced to watch Rika die and the rest of the village slaughtered, Satoko is left with no choice but to struggle for her own survival with everything she has.