One year after the SSSS.Gridman saga, peace settles worldwide; only Rikka and Utsumi recall the kaiju Gridman and Akane Shinjou. Yuuta, though he was Gridman's host, lacks recollection of those pivotal moments. When a fresh kaiju surfaces, he seizes the opportunity to demonstrate that he can also be the savior by reuniting with Gridman again in the face of looming danger, he feels a surge of responsibility that echoes his experiences and fuels his determination to protect.
