When Natsuku Yagi, a quirkless girl, 'accidentally' gets blown off a roof and into the water she meets someone who saves her life, but at a cost. When out of the hospital she decided to not be a hero. Instead being a inventor. Soon catching the eye of U.A. How will she keep her secret? Especially if her class and another class get overprotective, to the point that they find out her biggest secret. They do something that surprises her the most. Want to know? Read to find out. (Natsuku is female Izuku)