I, the Hero, Was Remade into a Female Villainous Officer

Kanda, the Blue Ranger from the original team... should have died alongside his enemy in the final battle. But after narrowly escaping death, he was found by a young monster scientist and transformed into a spider-woman monster. Now that she has become unrecognizable, how will she face her former comrades in this monstrous form? The final boss of the monster organization has already been defeated, so why are more and more monsters attacking the streets? The real story begins only after the final battle between good and evil.