Kamen Rider

boys' night, teens

artificial intelligence (a.i.), cyborg, martial arts, monster, hero, secret organization, villain, biker, superhero, tribe, conspiracy, swordsman, memory loss, impostor, based on manga, motorcycle, super power, masked superhero, supervillain, mysterious death, masked supervillain, death of hero, superhero teamup, mysterious disappearance, henshin heroes, friends to enemies, tokusatsu, evil dad

Japan