(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.)