Tokusatsu Ace

Tokyo is under seige by the terrorist organization known as Panther Claw, and the beautiful superheroine android known as Cutie Honey appears on the scene to take them on—but fails! For her own protection, Cutie Honey must join forces with government agent Natsuko Aki, and pose as student and teacher at St. Chapel Academy. But there is nowhere to hide from Panther Claw and its leader's evil machinations! (Source: Seven Seas Entertainment)

30 years ago, before the original Kamen Rider were created, Kadowaki Jun was supposed to be used as the original Kamen Rider, but Shocker's plans changed after Hongo escaped. Before he could be awaken, the double riders destroyed the Shocker base and the sleep capsule that Kadowaki was in was buried underneath the ruble of the Shocker base for 30 years. When he finally awakes in the present day, Kadowaki has no recollection of his life. The story follows his quest to regain his memory and figure out who turned him into a cyborg. (Source: Wikipedia)

Tsuyoshi wakes up with no memories in an alley in a town called Shibuya - a world somewhat different from reality. There he meets Ema, the only person who knows him, and who possesses a mysterious power to oppose the world of Shibuya. The two 15-year-olds fight a desperate battle for survival in this virtual world!

A week earlier, the self-proclaimed "Prince of Monsters" found a large egg in the mountains. From it hatches a kaiju girl. The "Prince," wanting to be rich and famous, decides to tame the monster. (Source: Kaiju Girls Wiki)

Inazuman and Kikaider, two great heroes, clash! The "New Human Empire" attacks the world with a plan to exterminate the human race! Kazada Saburou transforms into "Inazuman" with his supernatural powers. And Jirou "Kikaider," a warrior with a mechanical body, joins in. The two heroes of Ishimori's works finally collide! (Source: MangaDex)