When you look in the mirror, what other than your reflection might be looking back? The HuMane 6 attempt to assist an armored vigilante in stopping attacks by invisible Mirror Monsters. (Kamen Rider Dragon Knight crossover)
Sento finds himself in Ponyville, where a mysterious villain named Faust steals his arsenal. He must now "build up" new forms by defeating new Smash. Are You Ready? (Kamen Rider Build crossover.)