Kazuo Umezu, ''the Stephen King of manga,'' returns with the second frightening volume of his Scary Book anthology series. In ''Butterfly Grave,'' a book-length feature story, ever since the mysterious and untimely death of her mother when she was still an infant, Megumi has had an inexplicable, devastating phobia of butterflies. Upon visiting her mother's grave years after her death, Megumi begins being haunted by a black butterfly that only she can see and which seemingly causes waves of destruction and misery to Megumi's family and friends wherever it appears. But when Megumi's father decides to remarry, Megumi begins to fear that her new mother is turning into the very thing she dreads most.