The Future I Seized in the Armor Hero World Is an Ability Lock?

[System, One Heroine, Armor Hero Kamen Rider 1, 2, and 3 + Original World]

Chen Tianyang transmigrated, and after arriving in this world, he was bound to a System. The System said this was an armor-hero world, but not the tokusatsu armor-hero world Chen Tianyang had seen before. That was a minor issue. The biggest problem was that he had transmigrated into a fetus!