Kaito Goshikida was born on December 12, 2000 to his parents Isao and Mitsuko Goshikida.[1] As a child, his parents created Secchan to be his robotic companion, though they disappeared as a result of their research into the multiverse. Since then, Kaito had began living and was raised by his paternal grandmother Yatsude Goshikida.
n 2021, after Kaito's world merges with Kikaitopia, he along with the other humans welcome the Kikainoids with open arms. A month later, when the Tojitendo appear to subjugate their world, he is one of the only people to stand up to them.
After he accidentally activates Secchan, who leads him to his parents' secret lab, he gets his Zenkaiger equipment. He goes to fight the Tojitendo and meets Juran along the way. Then the two of transform into Zenkaigers and form their team, Kikai Sentai Zenkaiger to fight off the Tojitendo, and save their world.