この凶愛は天災です raw 第01-05巻 [Kono kyoai wa tensai desu vol 01-05]

Because of their evil deeds, the Four Perils had their bodies sealed in a rocky mountain. After the death of Maomei's grandfather, they make their return. Having mistakenly swallowed the magatama that contained their power when she was little, she becomes their target.