Hoshasei

Story: Hoshasei grew up in the under ground laboratory where scientist often test some Poisons, deadly gasses, and even radioactive stuff to test how deadly can it be or sometimes something else. Hoshasei's mother dead during child birth and she is always contained in her quarantine room where she can only get out if the Scientists needs to test her because she is immune to radioactive and poison. but she isn't the only one in the laboratory there are other different test subjects (Be a scientist or test subject if you want) but one day a mess there was a mess deadly gas broke out and a lot of Scientist killed by it or by her and you try to escape somehow but ran into her