Umineko When They Cry - Question Arcs

Step into the realm of "Umineko When They Cry" (When Seagulls Cry). Arrive at Rokkenjima on October 4, 1986. You are invited to observe the annual gathering of the Ushiromiya family. The elderly family head, who amassed a great fortune, is nearing death. For his offspring, the primary dispute at this assembly is how the inheritance will be divided. All crave the wealth, none will yield, and trust is nonexistent. Who will claim the head's immense wealth? Where is the 10 tons of gold rumored to be concealed by the old head? Will the eerie riddle of the epitaph that hints at the gold's location be deciphered? Amidst this tension, a threatening letter arrives from someone purporting to be a witch. A nineteenth individual looms over the island, despite there being only eighteen supposed inhabitants. Ferocious murders recur, accompanied by baffling puzzles at the crime scenes. How many lives will be lost? How many will survive? Will everyone perish? Is the murderer among the eighteen, or an outsider? Is the perpetrator a "human", or a "witch"? Please enjoy this classic mystery-suspense tale set on a secluded island with a western mansion to the fullest.