寄生獣 セイの格率

Shinichi Izumi, a seventeen-year-old high schooler in Fukuyama, wakes one night to find a worm-like alien burrowing into his right hand. The creature, which he names Migi, was meant to reach his brain and take over his body, but Shinichi's quick reaction trapped it in his arm. Now sharing a body, the two form an uneasy alliance: Migi handles combat with its shape-shifting hand, while Shinichi provides the human cover they need to avoid other parasites that successfully took human hosts and feed on people in secret.