Kono Kyouai wa Tensai desu

Synopsis

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

Alternative Version

• Akushin no Oboshimeshi