Shoto Todoroki is your average good student, always getting high marks, and always helpful. What would you expect from the son of a police officer and a doctor. One day, he found his way into a restricted area, and was bit by a radioactive spider that was a successful product of an illegal experiment by some scientists wanting to prove a point. He used his powers for good, it's the right thing to do. Momo Yaoyorozu is spider woman. No one knows. No one but her best friend Kyoka Jiro. She's saving the world, but her story is a little different. The two girls grew up in an orphanage, due to Jiro being a good music artist with all instruments and her voice, she earned them lots of money. So now they live in this huge house. Yaoyorozu loves to save people, she's always wanted to. When she turned 14, she was kidnapped by some scientists who used her as a guinea pig for their experiment. Her blood was comparable, and she has been Spider-woman for a few years. But what if there is someone coming after the two? Yaoyorozu has to warn her fellow superhuman, and they have to work together.