Within the tranquil village of Hinamizawa, Rika Furude and her companions coexist in apparent peace. Yet, a sinister undercurrent taints their idyllic life, a darkness Rika intimately grasps. Trapped in a perpetual summer, she endures harrowing atrocities repeatedly. With each reset, Rika endeavors to unmask the orchestrator of these tragedies before they recur. Yet, unravelling a mystery shrouded in ambiguity proves calamitous, leading her down a path of repeated failure. As the annual festival looms, Rika embarks on a harrowing journey from hope to despair, striving to shatter the shackles of destiny ensnaring them all.