Kamen Rider: The First Person to Fight Monsters in the Flesh

(Based on the TV plot, starting with Kuuga, without any mixed settings from novels or derivative fan works)

There is a terrifying power hidden beneath the human body;

When I pick up the belt and transform into Kamen Rider, you'd better be beaten to death by me;

Otherwise, when I undo my transformation;

The methods may be quite cruel!

(Regarding the transformation issue, it will definitely happen, but it will happen a little later. In the early stages, it will mainly focus on strengthening human physical strength.)