Since the dawn of civilization through modern times, humankind’s capacity for cruelty and darkness has known no bounds. DARK MARVELS is a documentary series that explores the history and engineering behind the world’s most diabolical inventions. From devious torture and death devices, to terrifying weapons of war, sinister spy tools, and games that kill, these are the fascinati...。经常搬家而不愿结识新朋友的高中生小枫,外表高冷,内心却渴望友情互动;直到特别的凯学长出现,小枫渐渐学会改变自己,可是凯却突然消失不见...。