![RUOWA03-13](https://image.jimcdn.com/app/cms/image/transf/none/path/s7a75c9dde64a0fa9/image/i92fd51d3b84c8e56/version/1674721553/image.jpg)
NOUNAI Senri joins the big pharmaceutical company RUOWA to cure his sister's intractable disease, but when he takes RUOWA Metal, a drug that turns muscles into metal, he ends up suffering from side effects. He ends up killing people who suffer from the same side effects.