Kamonohashi Ron no Kindan Suiri (Volume 3)

On a secluded island, famed for its observatory, a new and chilling tragedy unfolds as a series of gun-related murders disrupt the already tense atmosphere. Initially rocked by the shocking deaths of seven individuals, the islanders now face the grim reality of a locked-room mystery that leaves them paralyzed with fear. When a renowned astrophotographer is found dead in a sealed chamber, the suspense thickens. Each moment amplifies the mounting dread as the remaining residents grapple with the horrifying notion that the killer could be among them.

As the investigation deepens, the tangled web of relationships and hidden secrets is gradually unraveled. Tensions rise, and trust diminishes as old grudges and unspoken rivalries surface, setting the stage for a dramatic confrontation. With the stakes higher than ever, the truth behind these heinous acts seems almost beyond reach, yet the relentless pursuit of justice drives the survivors to confront the shadows of their past while racing against time to prevent further bloodshed.